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Title:
FIRE PROTECTION NOZZLE, FIRE PROTECTION SPRINKLER, FIRE PROTECTION SYSTEMS, AND METHODS OF MANUFACTURING A FIRE PROTECTION NOZZLE AND A FIRE PROTECTION SPRINKLER
Document Type and Number:
WIPO Patent Application WO/2018/053332
Kind Code:
A4
Abstract:
A fire protection nozzle includes a body having two frame arms having proximal ends connected to an outlet of the body, and distal ends, the two frame arms defining a frame arm plane, and a junction formed by the distal ends of the frame arms, the junction including a central bore and a cylindrical outer wall. A circular deflector is mounted to the body, and includes a planar disk having a mounting hole in a center of the planar disk to receive the cylindrical outer wall of the junction, and a plurality of slots on a periphery of the circular planar disk. The plurality of slots includes four radial first slots, four radial second slots, eight radial third slots, and eight fourth slots. The nozzle has a K-factor of at least 28 gpm/(psi)1/2.

Inventors:
PAHILA, Oliver (1470 Smith Grove RoadLiberty, SC, 29657, US)
Application Number:
US2017/051881
Publication Date:
March 22, 2018
Filing Date:
September 15, 2017
Export Citation:
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Assignee:
THE RELIABLE AUTOMATIC SPRINKLER CO., INC. (1470 Smith Grove Road, Liberty, SC, 29657, US)
PAHILA, Oliver (1470 Smith Grove RoadLiberty, SC, 29657, US)
International Classes:
A62C31/02; A62C35/00; B05B1/26
Attorney, Agent or Firm:
WARNER, Steven, E. et al. (Fitzpatrick, Cella Harper & Scinto,975 Street N, Washington DC, 20004, US)
Download PDF:
Claims:
55

AMENDED CLAIMS

received by the International Bureau on 07 March 2018 (07.03.2018)

1. (Currently Amended) A fire protection nozzle for providing fire protection in a tunnel, the nozzle comprising:

(A) a body comprising:

(a) an inlet orifice;

(b) an outlet orifice, the inlet orifice and the outlet orifice defining a body axis and a flow passage for a fluid that flows through the body in an output direction;

(c) two frame arms having proximal ends connected to the outlet and distal ends, the two frame arms defining a frame arm plane; and

(d) a junction formed by the distal ends of the frame arms at a distance from the outlet orifice, the junction including a central bore and a cylindrical outer wall; and

(B) a circular deflector configured to be mounted to the body of the nozzle, the circular deflector comprising a planar disk having:

(a) a mounting hole in a center of the planar disk, the mounting hole configured to receive the cylindrical outer wall of the junction;

(b) a plurality of slots on a periphery of the circular planar disk that define a plurality of tines, the plurality of slots including:

(i) four radial first slots each having a first slot axis that is at an angle of about 45° relative to the frame arm plane, and at an angle of about 90° relative to an adjacent first slot, each of the first slots having a first slot depth;

(ii) four radial second slots each having a second slot axis that is at an angle of about 0° or 90° relative to the frame arm plane, and at an angle of 56

about 90° relative to an adjacent second slot, each of the second slots having a second slot depth that is less than the first slot depth;

(iii) eight radial third slots each being adjacent to a second slot, and each having a third slot axis that is less than about 45° relative to the second slot axis of the adjacent second slot, each of the third slots having a third slot depth that is less than the second slot depth; and

(iv) eight fourth slots each being adjacent to a first slot, and each having a first slot portion having a radial axis, and a second slot portion, extending outward from the first slot portion relative to a center of the planar disk, the second slot portion having a non-radial axis, and a width that increases from an inner end of the second slot portion toward an outer, peripheral end of the second slot portion, and each of the fourth slots having a fourth slot depth that is less than the first slot depth;

(c) an upper surface that faces the outlet orifice; and

(d) a lower surface that is opposite to the upper surface along the body axis, wherein the nozzle has a K-factor of at least 28 gpm/(psi)

2. (Currently Amended) A fire protection nozzle according to claim 1, wherein the circular deflector is secured to the junction by rolling the cylindrical outer wall of the junction over an edge of the mounting hole on the lower surface of the circular deflector.

3. (Original) A fire protection nozzle according to claim 1, wherein the central bore of the junction has a threaded surface, and wherein the circular deflector is secured to the junction by a securing portion that includes:

(i) a securing screw having a head and a threaded portion that contacts the threaded surface of the central bore of the junction; and

(ii) a retaining nut that is mounted to the head of the securing screw.

4. (Original) A fire protection nozzle according to claim 1, further comprising at least two body deflectors that extend from each of the two frame arms in the frame arm plane at an angle relative to the body axis, each of the at least two body deflectors having an inner planar surface that faces the junction, the inner planar surface having a depth in the frame arm plane and a width, perpendicular to the depth, wherein the body deflectors extend in the frame arm plane at an angle of about 10° to about 80° from the body axis.

5. (Original) A fire protection nozzle according to claim 4, wherein the width of the inner planar surface of the body deflectors is about 0.3 to about 1.2 times the diameter of the circular deflector.

6. (Original) A fire protection nozzle according to claim 4, wherein the body deflectors extend in the frame arm plane at an angle of about 45° from the body axis.

7. (Currently Amended) A fire protection system for providing fire protection in a tunnel, the system comprising:

(A) a fluid supply for supply of a fluid; (B) piping connected to the fluid supply;

(C) a plurality of fire protection nozzles, each nozzle being connected to the piping, and each nozzle comprising:

(a) a body comprising:

(i) an inlet orifice;

(ii) an outlet orifice, the inlet orifice and the outlet orifice defining a body axis and a flow passage for a fluid that flows through the body in an output direction;

(iii) two frame arms having proximal ends connected to the outlet and distal ends, the two frame arms defining a frame arm plane; and

(iv) a junction formed by the distal ends of the frame arms at a distance from the outlet orifice, the junction including a central bore and a cylindrical outer wall; and

(b) a circular deflector configured to be mounted to the body of the nozzle, the circular deflector comprising a planar disk having:

(i) a mounting hole in a center of the planar disk, the mounting hole configured to receive the cylindrical outer wall of the junction;

(ii) a plurality of slots on a periphery of the circular planar disk that define a plurality of tines, the plurality of slots including:

(1) four radial first slots each having a first slot axis that is at an angle of about 45° relative to the frame arm plane, and at an angle of about 90° relative to an adjacent first slot, each of the first slots having a first slot depth; 59

(2) four radial second slots each having a second slot axis that is at an angle of about 0° or about 90° relative to the frame arm plane, and at an angle of about 90° relative to an adjacent second slot, each of the second slots having a second slot depth that is less than the first slot depth;

(3) eight radial third slots each being adjacent to a second slot, and each having a third slot axis that is less than about 45° relative to the second slot axis of an adjacent second slot, the third slots having a third slot depth that is less than the second slot depth; and

(4) eight fourth slots each being adjacent to a first slot, and each having a first slot portion having a radial axis, and a second slot portion, extending outward from the first slot portion relative to a center of the planar disk, the second slot portion having a non-radial axis, and a width that increases from an inner end of the second slot portion toward an outer, peripheral end of the second slot portion, and each of the fourth slots having a fourth slot depth that is less than the first slot depth;

(iii) an upper surface that faces the outlet orifice; and

(iv) a lower surface that is opposite to the upper surface along the body axis; and

(D) an actuation valve connected to the fluid supply, wherein, when the actuation valve is operated, the fluid supply supplies the fluid to the piping and the plurality of nozzles and the fluid is delivered by the nozzles to the area to be protected in a spray pattern, 60

wherein the nozzles are positioned at a spacing of up to 20 feet by 20 feet, and each nozzle has a K-factor of at least 28 gpm/(psi)

8. (Original) A fire protection system according to claim 7, wherein (i) the body of each nozzle has external threads on an outer surface near the inlet orifice, (ii) the piping includes connection portions having threads on an inner surface, and (iii) the external threads on the outer surface of the body of each nozzle contact the threads on the inner surface of the piping.

9. (Currently Amended) A fire protection system according to claim 7, wherein the circular deflector on each nozzle is secured to the junction of each nozzle by rolling the cylindrical outer wall of the junction over an edge of the mounting hole on the lower surface of the circular deflector.

10. (Original) A fire protection system according to claim 7, wherein the central bore of the junction of each nozzle has a threaded surface, and

wherein the circular deflector is secured to the junction by a mounting portion that includes:

(i) a securing screw having a head and a threaded portion that contact the threaded surface of the central bore of the junction; and

(ii) a retaining nut that is mounted to the head of the securing screw. 61

11. (Original) A fire protection system according to claim 7, wherein each nozzle further comprises at least two body deflectors that extend from each of the two frame arms in the frame arm plane at an angle relative to the body axis, each of the at least two body deflectors having an inner planar surface that faces the junction, the inner planar surface having a depth in the frame arm plane and a width, perpendicular to the depth,

wherein the width of the inner planar surface of the body deflectors is about 0.3 to about 1.2 times the diameter of the circular deflector.

12. (Original) A fire protection system according to claim 11, wherein the body deflectors of each nozzle extend in the frame arm plane at an angle of about 10° to about 80° from the body axis.

13. (Original) A fire protection system according to claim 11, wherein the body deflectors of each nozzle extend in the frame arm plane at an angle of about 45° relative to the body axis.

14. (Currently Amended) An extended coverage fire protection sprinkler for storage applications including protection of an occupancy hazard including classes I-IV and Group A cartoned, un expanded plastics, as defined by FPA 13 and FM Global Property Loss Prevention Data Sheets 8-1 and 8-9, stored in a storage area having a ceiling height of greater than thirty five feet, the sprinkler comprising:

(A) a body comprising:

(a) an inlet orifice; 62

(b) an outlet orifice, the inlet orifice and the outlet orifice defining a body axis and a flow passage for a fluid that flows through the body in an output direction;

(c) two frame arms having proximal ends connected to the outlet and distal ends, the two frame arms defining a frame arm plane; and

(d) a junction formed by the distal ends of the frame arms at a distance from the outlet orifice, the junction including a central bore having threads on an inner surface, and a cylindrical outer wall; and

(B) a circular deflector configured to be mounted to the body of the sprinkler, the circular deflector comprising a disk having:

(a) a mounting hole in a center of the disk, the mounting hole configured to receive the cylindrical outer wall of the junction;

(b) a plurality of slots on a periphery of the disk that define a plurality of tines, the plurality of slots including:

(i) two radial first slots each having a first slot axis that is at an angle of about 90° relative to the plane defined by the frame arms, each of the first slots having a first slot depth;

(ii) four radial second slots having a second slot axis that is at an angle of about 45° relative to the frame arm plane, each of the second slots having a second slot depth;

(iii) two third slots each having a third slot axis that coincides with the frame arm plane, the third slots having a third slot depth that is less than the first slot depth; 63

(iv) four fourth slots each being adjacent to a third slot, and each having a fourth slot axis that is less than about 45° relative to the third slot axis of an adjacent third slot, the fourth slots having a fourth slot depth that is less than the third slot depth; and

(v) four fifth slots each being adjacent to one of the two first slots, and each fifth slot having a fifth slot axis that is at an angle relative to the first slot axis of an adjacent first slot, and each of the fifth slots having a fifth slot depth that is less than the first slot depth;

(c) an upper surface that faces the outlet orifice; and

(d) a lower surface that is opposite to the upper surface along the body axis;

(C) a securing portion configured to secure the circular deflector to the junction of the body, the securing portion including:

(a) a securing screw having a head and a threaded portion that contacts the threaded surface of the central bore of the junction when the securing screw is inserted into the central bore; and

(b) a retaining nut that is mounted to the head of the securing screw; and

(D) an actuation mechanism including:

(a) a thermally responsive element supported by the threaded portion of the securing screw that extends through the central bore of the junction, the thermally responsive element being configured to fail when ambient temperature reaches a predetermined temperature; and 64

(b) an outlet seal that is supported by the thermally responsive element and that seals the outlet orifice until the thermally responsive element fails,

wherein the sprinkler has a K-factor of at least 28 gpm/(psi)

15. (Original) An extended coverage fire protection sprinkler according to claim 14, wherein each side of each of the third slots of the circular deflector includes:

(i) an inner point; and

(ii) an outer point near the periphery of the circular disk,

wherein each side of each of the fourth slots of the circular deflector includes:

(i) an inner point; and

(ii) an outer point near the periphery of the circular disk, and

wherein, of the plurality of tines, a tine that is defined by a third slot and a fourth slot is bent about two axes defining a plane of the disk, so that the outer point on one side of the third slot is below a plane defined by the inner point on the one side of the third slot, the inner point on one side of the fourth slot, and the outer point on the one side of the fourth slot.

16. (Original) An extended coverage fire protection sprinkler according to claim 14, further comprising at least two body deflectors that extend from each of the two frame arms in the frame arm plane at an angle relative to the body axis, each of the at least two body deflectors having an inner planar surface that faces the junction, the inner planar surface having a depth in the frame arm plane and a width, perpendicular to the depth,

wherein the body deflectors extend in the frame arm plane at an angle of about 10° to about 80° from the body axis. 65

17. (Original) An extended coverage fire protection sprinkler according to claim 16, wherein the width of the inner planar surface of the body deflectors is about 0.3 to about 1.2 times the diameter of the circular deflector.

18. (Original) An extended coverage fire protection sprinkler according to claim 16, wherein the body deflectors extend in the frame arm plane at an angle of about 45° from the body axis.

19. (Currently Amended) A fire protection system for storage applications including protection of an occupancy hazard including classes I-IV and Group A cartoned, unexpanded plastics, as defined by NFPA 13 and FM Global Property Loss Prevention Data Sheets 8-1 and 8-9, stored in a storage area having a ceiling height of greater than thirty five feet, the system comprising:

(A) a fluid supply for supply of a fluid;

(B) piping connected to the fluid supply; and

(C) a plurality of fire protection sprinklers, each sprinkler being connected to the piping, and each sprinkler comprising:

(a) a body comprising:

(i) an inlet orifice;

(ii) an outlet orifice, the inlet orifice and the outlet orifice defining a body axis and a flow passage for a fluid that flows through the body in an output direction; 66

(iii) two frame arms having proximal ends connected to the outlet and distal ends, the two frame arms defining a frame arm plane; and

(iv) a junction formed by the distal ends of the frame arms at a distance from the outlet orifice, the junction including a central bore and a cylindrical outer wall;

(b) a circular deflector configured to be mounted to the body of the sprinkler, the circular deflector comprising a planar disk having:

(i) a mounting hole in a center of the planar disk, the mounting hole configured to receive the cylindrical outer wall of the junction;

(ii) a plurality of slots on a periphery of the circular planar disk that define a plurality of tines, the plurality of slots including:

(1) two radial first slots each having a first slot axis that is at an angle of about 90° relative to the plane defined by the frame arms, each of the first slots having a first slot depth;

(2) four radial second slots having a second slot axis that is at an angle of about 45° relative to the frame arm plane, each of the second slots having a second slot depth;

(3) two third slots each having a third slot axis that coincides with the frame arm plane, the third slots having a third slot depth that is less than the first slot depth;

(4) four fourth slots each being adjacent to a third slot, and each having a fourth slot axis that is less than about 45° relative to the third 67

slot axis of an adjacent third slot, the fourth slots having a fourth slot depth that is less than the third slot depth; and

(5) four fifth slots each being adjacent to one of the two first slots, and each fifth slot having a fifth slot axis that is at an angle relative to the first slot axis of an adjacent first slot, and each of the fifth slots having a fifth slot depth that is less than the first slot depth;

(iii) an upper surface that faces the outlet orifice; and

(iv) a lower surface that is opposite to the upper surface along the body axis; and

(c) an actuation mechanism including:

(i) a thermally responsive element supported by the threaded portion of the securing screw that extends through the central bore of the junction, the thermally responsive element being configured to fail when ambient temperature reaches a predetermined temperature; and

(ii) an outlet seal that is supported by the thermally responsive element and that seals the outlet orifice until the thermally responsive element fails, wherein, when the thermally responsive element of at least one of the sprinklers fails, the fluid supply supplies the fluid to the at least one sprinkler through the piping, and the fluid is delivered by the at least one sprinkler to the area to be protected in a spray pattern, and

wherein the sprinklers are positioned at a spacing of up to 14 feet by 14 feet, and the sprinkler has a K-factor of at least 28 gpm/(psi) 68

20. (Original) A fire protection system according to claim 19, wherein (i) the body of each sprinkler has external threads on an outer surface near the inlet orifice, (ii) the piping includes connection portions having threads on an inner surface, and (iii) the external threads on the outer surface of the body of each sprinkler contact the threads on the inner surface of the piping.

21. (Currently Amended) A fire protection system according to claim 19, wherein the circular deflector on each sprinkler is secured to the junction of each sprinkler by rolling the cylindrical outer wall of the junction over an edge of the mounting hole on the lower surface of the circular deflector.

22. (Original) A fire protection system according to claim 19, wherein each side of each of the third slots of the circular deflector of each sprinkler includes:

(i) an inner point; and

(ii) an outer point near the periphery of the circular disk,

wherein each side of each of the fourth slots of the circular deflector includes:

(i) an inner point; and

(ii) an outer point near the periphery of the circular disk, and

wherein, of the plurality of tines, a tine that is defined by a third slot and a fourth slot is bent about two axes defining a plane of the disk, so that the outer point on one side of the third slot is below a plane defined by the inner point on the one side of the third slot, the inner point on one side of the fourth slot, and the outer point on the one side of the fourth slot. 69

23. (Original) A fire protection system according to claim 19, wherein each sprinkler further comprises at least two body deflectors that extend from each of the two frame arms in the frame arm plane at an angle relative to the body axis, each of the at least two body deflectors having an inner planar surface that faces the junction, the inner planar surface having a depth in the frame arm plane and a width, perpendicular to the depth, and

wherein the width of the inner planar surface of the body deflectors is about 0.3 to about 1.2 times the diameter of the circular deflector.

24. (Original) A fire protection system according to claim 23, wherein the body deflectors of each sprinkler extend in the frame arm plane at an angle of about 10° to about 80° from the body axis.

25. (Original) A fire protection system according to claim 23, wherein the body deflectors of each sprinkler extend in the frame arm plane at an angle of about 45° from the body axis.

26. (Currently Amended) A method of manufacturing a fire protection nozzle for providing fire protection in a tunnel, the method comprising:

(A) providing a body having:

(a) an inlet orifice;

an outlet orifice, the inlet orifice and the outlet orifice defining a body axis and a flow passage for a fluid that flows through the body in an output direction; 70

(b) two frame arms having proximal ends connected to the outlet and distal ends, the two frame arms defining a frame arm plane; and

(c) a junction formed by the distal ends of the frame arms at a distance from the outlet orifice, the junction including a central bore and a cylindrical outer wall; and

(B) mounting a circular deflector to the body of the nozzle, the circular deflector comprising a planar disk having:

(a) a mounting hole in a center of the planar disk, the mounting hole configured to receive the cylindrical outer wall of the junction;

(b) a plurality of slots on a periphery of the circular planar disk, the plurality of slots including:

(i) four radial first slots each having a first slot axis that is at an angle of about 45° relative to the frame arm plane, and at an angle of about 90° relative to an adjacent first slot, each of the first slots having a first slot depth;

(ii) four radial second slots each having a second slot axis that is at an angle of about 0° or 90° relative to the frame arm plane, and at an angle of about 90° relative to an adjacent second slot, each of the second slots having a second slot depth that is less than the first slot depth;

(iii) eight radial third slots each being adjacent to a second slot, and each having a third slot axis that is less than about 45° relative to the second slot axis of the adjacent second slot, each of the third slots having a third slot depth that is less than the second slot depth; and 71

(iv) eight fourth slots each being adjacent to a first slot, and each having a first slot portion having a radial axis, and a second slot portion, extending outward from the first slot portion relative to a center of the planar disk, the second slot portion having a non-radial axis, and a width that increases from an inner end of the second slot portion toward an outer, peripheral end of the second slot portion, and each of the fourth slots having a fourth slot depth that is less than the first slot depth;

(c) an upper surface that faces the outlet orifice; and

(d) a lower surface that is opposite to the upper surface along the body axis, wherein the nozzle has a K-factor of 28 gpm/(psi)

27. (Currently Amended) A method of manufacturing a fire protection nozzle according to claim 26, further comprising securing the circular deflector to the junction by rolling the cylindrical outer wall of the junction over an edge of the mounting hole on the lower surface of the circular deflector.

28. (Original) A method of manufacturing a fire protection nozzle according to claim 26, wherein the central bore of the junction has a threaded surface, and

the method further comprises:

(C) securing the circular deflector to the junction by a securing portion that includes:

(i) a securing screw having a head and a threaded portion that contacts the threaded surface of the central bore of the junction; and

(ii) a retaining nut that is mounted to the head of the securing screw. 72

29. (Original) A method of manufacturing a fire protection nozzle according to claim 26, wherein the nozzle further comprises at least two body deflectors that extend from each of the two frame arms in the frame arm plane at an angle relative to the body axis, each of the at least two body deflectors having an inner planar surface that faces the junction, the inner planar surface having a depth in the frame arm plane and a width, perpendicular to the depth, and

wherein the body deflectors extend in the frame arm plane at an angle of about 10° to about 80° from the body axis.

30. (Original) A method of manufacturing a fire protection nozzle according to claim 29, wherein the width of the inner planar surface of the body deflectors is about 0.3 to about 1.2 times the diameter of the circular deflector.

31. (Original) A method of manufacturing a fire protection nozzle according to claim 29, wherein the body deflectors extend in the frame arm plane at an angle of about 45° from the body axis.

32. (Currently Amended) A method of manufacturing an extended coverage fire protection sprinkler for storage applications including protection of an occupancy hazard including classes I-IV and Group A cartoned, unexpanded plastics, as defined by FPA 13 and FM Global Property Loss Prevention Data Sheets 8-1 and 8-9, stored in a storage area having a ceiling height of greater than thirty five feet, the method comprising: 73

(A) providing a body having:

(a) an inlet orifice;

(b) an outlet orifice, the inlet orifice and the outlet orifice defining a body axis and a flow passage for a fluid that flows through the body in an output direction;

(c) two frame arms having proximal ends connected to the outlet and distal ends, the two frame arms defining a frame arm plane; and

(d) a junction formed by the distal ends of the frame arms at a distance from the outlet orifice, the junction including a central bore having threads on an inner surface, and a cylindrical outer wall;

(B) mounting a circular deflector to the body of the sprinkler, the circular deflector comprising a disk having:

(a) a mounting hole in a center of the disk, the mounting hole configured to receive the cylindrical outer wall of the junction;

(b) a plurality of slots on a periphery of the disk, the plurality of slots including:

(i) two radial first slots each having a first slot axis that is at an angle of about 90° relative to the plane defined by the frame arms, each of the first slots having a first slot depth;

(ii) four radial second slots having a second slot axis that is at an angle of about 45° relative to the frame arm plane, each of the second slots having a second slot depth; 74

(iii) two third slots each having a third slot axis that coincides with the frame arm plane, the third slots having a third slot depth that is less than the first slot depth;

(iv) four fourth slots each being adjacent to a third slot, and each having a fourth slot axis that is less than about 45° relative to the third slot axis of an adjacent third slot, the fourth slots having a fourth slot depth that is less than the third slot depth; and

(iv) four fifth slots each being adjacent to one of the two first slots, and each fifth slot having a fifth slot axis that is at an angle relative to the first slot axis of an adjacent first slot, and each of the fifth slots having a fifth slot depth that is less than the first slot depth;

(c) an upper surface that faces the outlet orifice; and

(d) a lower surface that is opposite to the upper surface along the body axis;

(C) securing the circular deflector to the junction of the body using a securing portion including:

(a) a securing screw having a head and a threaded portion that contacts the threaded surface of the central bore of the junction when the securing screw is inserted into the central bore; and

(b) a retaining nut that is mounted to the head of the securing screw; and

(D) providing an actuation mechanism including:

(a) a thermally responsive element supported by the threaded portion of the securing screw that extends through the central bore of the junction, the thermally 75

responsive element being configured to fail when ambient temperature reaches a predetermined temperature; and

(b) an outlet seal that is supported by the thermally responsive element and that seals the outlet orifice until the thermally responsive element fails,

wherein the sprinkler has a K-factor of 28 gpm/(psi)

33. (Original) A method of manufacturing an extended coverage fire protection sprinkler according to claim 32, wherein each side of each of the third slots of the circular deflector includes:

(i) an inner point; and

(ii) an outer point near the periphery of the circular disk,

wherein each side of each of the fourth slots of the circular deflector includes:

(i) an inner point; and

(ii) an outer point near the periphery of the circular disk, and

wherein, of the plurality of tines, a tine that is defined by a third slot and a fourth slot is bent about two axes defining a plane of the disk, so that the outer point on one side of the third slot is below a plane defined by the inner point on the one side of the third slot, the inner point on one side of the fourth slot, and the outer point on the one side of the fourth slot.

34. (Original) A method of manufacturing an extended coverage fire protection sprinkler according to claim 32, wherein the body of the sprinkler further comprises at least two body deflectors that extend from each of the two frame arms in the frame arm plane at an angle relative to the body axis, each of the at least two body deflectors having an inner planar

76

surface that faces the junction, the inner planar surface having a depth in the frame arm plane and a width, perpendicular to the depth, and

wherein the body deflectors extend in the frame arm plane at an angle of about 10° to about 80° from the body axis.

35. (Original) A method of manufacturing an extended coverage fire protection sprinkler according to claim 34, wherein the width of the inner planar surface of the body deflectors is about 0.3 to about 1.2 times the diameter of the circular deflector.

36. (Original) A method of manufacturing an extended coverage fire protection sprinkler according to claim 34, wherein the body deflectors extend in the frame arm plane at an angle of about 45° from the body axis.