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Title:
STRUCTURE FOR ALTERNATELY SPLICE-JOINING TWO OR MORE PANELS FOR FORMING CYLINDRICAL SCREEN
Document Type and Number:
Japanese Patent JP2009195902
Kind Code:
A
Abstract:

To provide a filter screen exactly manufactured in a given cylindrical shape and an easy manufacturing method for the same.

A plurality of wires 110 disposed in parallel orthogonal to rods are connected to the plurality of rods 120 disposed in parallel in the first direction, then adjacent ends of the rods are welded, a plurality of splice bars 140 are welded intermittently between the adjacent rods at the connection parts 130, and sides of the rods are connected to one another to form a long sheet, then the long sheet is wound into cylindrical steps to form a cylindrical screen.


Inventors:
PARR TONY
BERRY GERRY
SCHMITT BENJAMIN
Application Number:
JP2009037707A
Publication Date:
September 03, 2009
Filing Date:
February 20, 2009
Export Citation:
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Assignee:
WEATHERFORD LAMB
International Classes:
B01D29/46
Domestic Patent References:
JPS5445602A1979-04-11
JPH11156114A1999-06-15
JPS56105712A1981-08-22
JP2001347108A2001-12-18
JPH11241287A1999-09-07
JP2003010608A2003-01-14
JPS63235588A1988-09-30
JPS5445602A1979-04-11
JPH11156114A1999-06-15
JPS56105712A1981-08-22
JP2001347108A2001-12-18
JPH11241287A1999-09-07
JP2003010608A2003-01-14
JPS63235588A1988-09-30
Foreign References:
US2046458A1936-07-07
US20030115754A12003-06-26
US4276265A1981-06-30
EP0893536A21999-01-27
US5622625A1997-04-22
US2046458A1936-07-07
US20030115754A12003-06-26
US4276265A1981-06-30
EP0893536A21999-01-27
US5622625A1997-04-22
Attorney, Agent or Firm:
Yoshihito Iizuka
Hideo Hayashi
Ryohei Kaizuka



 
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