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WO/1998/006519A1 |
An expansion machine with a housing (1) allowing for the axial movement of hydraulic or mechanical control members for an expansion cone (4) is disclosed. An expansion chuck (5) is made of a number of spreader members (9) defining a part...
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WO/1997/014588A1 |
A frame apparatus, and process for constructing same, for use in the construction of various vehicles. The apparatus (30) comprises one or more frame members (31, 32), each fabricated from a single longitudinal extrusion, and one or more...
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WO/1997/011799A1 |
A plumbing fitting comprising a first part being a pressing of sheet metal and a second part being a pressing of sheet metal, the first and second parts being connected together so that the first part provides a first limb and the second...
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WO/1996/035528A1 |
The multipurpose head forming and finishing apparatus includes a support frame (3) forming, on a horizontal plane, a kind of arc endowed with a pair of arms (3a, 3b) symmetrical with respect to a median vertical plane. The frame (3) has ...
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WO/1996/025255A1 |
The expanding tool has a cylindrical expanding mandrel (5) consisting of a plurality of cylinder-sector expanding components (10) which are interchangeably secured and guided on a face of a housing (1). The expanding mandrel (5) has a pa...
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WO/1996/025253A1 |
A machine including a die (14) mounted in a holder, two jaws (6) forming a clamping jaw for holding one end of the tube (4) to be expanded, drive means (17, 18) for imparting orbital motion to the die, drive means (25) for moving the die...
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WO/1996/013347A1 |
An apparatus for constricting an end of a metallic tube (or worktube) to form an arcuate-walled portion that has an outer surface is provided. The apparatus comprises a means (2) for rotating the tube (7) on its axis, a movable means (4A...
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WO/1996/012578A1 |
The invention solves the problem of providing tubular components with reinforced end cross-sections while preventing thermal overstress. The method consists in cold-forming by means of a set of tools consisting essentially of a shaped ho...
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WO/1995/010000A1 |
When expanding a pipe-end (1), there is used a tool which includes a plurality of jaws (8) that can be moved radially in relation to a centre axis (11), between a retracted position and an outer expanding position. The jaws are inserted ...
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WO/1995/006530A1 |
An apparatus (40) for forming a piping element connection with multiple outward steps (52, 54) has first and second rollers (42, 44), a driver for the second roller, and a positioning roller (48). The first roller rotates about a first a...
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WO/1995/004616A1 |
A space frame apparatus (30), and process for constructing same, for use in the construction of various vehicles. The apparatus comprises one or more continuous outer frame members (31, 32), each fabricated from a single longitudinal ext...
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WO/1994/026437A2 |
A subject of the invention is the radial extrusion process combined with inside tube ironing, which is an essence a cold extrusion process and can be reckoned among bulk metal forming processes. It enables tube shaped metal semiproducts ...
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WO/1994/018486A1 |
A method for establishing a connection between one end (8) of a pipe (1) made of a plastic material having memory properties and a flanged connector sleeve (3) of a pipe-connecting piece (2; 11), comprising expanding the pipe-end (8) to ...
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WO/1993/011889A1 |
The present invention provides a tool for arranging on a pipe an approximately truncated cone-shaped pipe end, comprising: a mandrel (30) provided with a tapering end (31); holding means (3, 4) for fixedly holding the pipe end; and an op...
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WO/1992/017292A1 |
A pipe expanding tool comprising a cylindrical member having a pair of oppositely disposed openings and an outer collar; a conical-shaped stepped expander having segmental members including a top stepped portion receivable with the colla...
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WO/1991/013708A1 |
A firmly-held pipe (10) is notched by pushing the end (11) of the pipe towards the inside at two diametrically opposite points (A, B) to deform the pipe so as to form an edge with two concavely curved parts (12) alternating with two conv...
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WO/1991/002606A1 |
A tool (38) for deforming metal in kit form. The apparatus and associated method provided is for forming an end of a piece of corrugated conduit (10) and attaching it to a second piece of conduit (4). The apparatus (38) is provided for s...
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WO/1990/012665A1 |
A pipe expander is disclosed which is intended to include two pipe expander heads (20 and 22) which can be selectively expanded to expand a workpiece. The pipe expander comprises a pin (12) provided with a ratchet mechanism (42). The rat...
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WO/1990/005831A1 |
The device is intended for roller-expanding the profiled pipes which are mounted to close off well drilling complication zones, as well as to straighten distorted casing pipes. The device comprises a casing (1) and a roller-expanding ele...
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WO/1990/001116A1 |
A power drive comprises a jacket (6) divided by transversal partitions (6) into two sections (7, 8) which are consecutively filled in with a heat carrier. Along the longitudinal axis of the jacket (6) is mounted a power casing (1) the wa...
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WO/1988/000503A1 |
A tube expander tool (10) comprising a tool body (11), an axially movable mandrel (17) extending through the body and having a tapered end (37), jaw mounting means (18) coupled to the tool body (11) and comprising a plurality of expandab...
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WO/1984/000120A1 |
A tube expander of the type using an expansion die (11) comprised of segments (11A and 11B) for insertion into the end of a tube (20) to expand the diameter of the end of the tube (20) which is characterized by the insertion of the expan...
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WO/1983/003374A1 |
Method for the manufacture of a conical tubular member, and a member manufactured according to the method, in which as a first step a tubular member is formed, having inwardly directed profilings (2, 2', 3, 3'), and that said member ther...
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WO/1982/000785A1 |
A method of forming a smooth shoulder (16, 14b, 19b), neck (17, 37) and flange (18, 38) at the open end of the cylindrical side wall (12) of a can body (10) comprises the steps of forcing a marginal edge portion (13) of the side wall int...
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WO/1982/000013A1 |
The side wall of the workpiece is deformed in the direction for closing its edges. A butt-end wall with a flat central area is preliminarily formed on the thus obtained vault. The flat area is then depressed with a pressing tool inside t...
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WO/1981/000364A1 |
A tube expanding tool of a type having a body (1) with a pair of handles (3, 26) arranged to move a tapered drift (15) into radially expandable jaws, characterised by a push rod (17) hingedly connected to the drift (15) and engaging a ca...
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JP2024514429A |
The invention relates to a press jaw with a drive press jaw and a press insert that can be coupled and exchanged therewith, a drive press jaw with a coupling element, a press with coupling means that can be used as a press jaw insert or ...
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JP2024036978A |
The object of the present invention is to provide a grooved pipe with excellent airtightness, watertightness, corrosion resistance, and high productivity, and a machine for manufacturing the same. [Solution] A grooved pipe using a galvan...
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JP7436814B2 |
To provide a differential thickness tube manufacturing apparatus and a differential thickness tube manufacturing method by which a differential thickness tube can be manufactured with good yield even if an ironing rate is high.A differen...
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JP7403188B1 |
[Problem] To provide a pipe joint processing device that can form a reducer pipe joint to a standard inner diameter by handling and processing the thick part of the pipe joint. A pipe joint processing device processes the inner circumfer...
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JP7364650B2 |
To provide a method for processing a recessed groove of a metal tube requiring no heating, and generating no problem on enlargement and getting heavy of a facility, and no problem on crack and the like when forming the recessed groove to...
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JP2023148194A |
To provide a stabilizer manufacturing method capable of suppressing reduction in flatness at both ends of a stabilizer, and a base material.This stabilizer manufacturing method for executing a forging process for a base material to manuf...
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JP2023125330A |
To provide a tube expansion metal mold and a tube contraction metal mold that can prevent seizure between a metal mold and a tube due to frictional heat in association with tube expansion and tube contraction processing.A tube expansion ...
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JP2023124038A |
To provide an eccentric pipe contraction method and an eccentric pipe contraction device of a pipe material which can mold an eccentric pipe contraction part in the target shape in an end of the pipe material.An eccentric pipe contractio...
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JP7304387B2 |
A device for forming a circumferential groove in a pipe element, said device comprising: a pinion fixed against rotation about a pinion axis arranged coaxially with said pinion; a carriage surrounding said pinion, said carriage being rot...
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JP2023089977A |
To provide a pipe grooving device.A device for forming circumferential grooves in pipe elements uses multiple geared cam bodies mounted on a carriage which rotates about a fixed pinion. The gears engage with the pinion which causes the g...
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JP7299617B2 |
To provide a flare tool capable of avoiding the wear of a thread, when performing flare processing by using a power type rotary tool.A flare tool 10 is composed of a gauge 22, a yoke body 24 on which a female thread 24b is engraved, a fe...
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JP7296705B2 |
To provide a ferritic stainless steel pipe having enhanced corrosion resistance in a gap structure at a pipe end thickening part.There is adopted a ferritic stainless steel pipe excellent in corrosion resistance at a gap in a pipe end th...
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JP7292727B2 |
After holding a metal pipe 10 using a clamping die 5, a primary formed portion 11a corresponding to the preforming surface portion 5c is formed on the metal pipe 10 by pressing an end portion of the metal pipe 10 with a pressing die 6 in...
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JP2023081043A |
To provide a flare forming tool capable of generating a stable applied pressure and reducing a torque for rotating a main shaft.A flare forming tool 10 includes: a flare holder 56; a main shaft 14 arranged inside the flare holder 56, and...
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JP7279597B2 |
To suppress such a situation in which an area of contact between a jig receiving a load, which is inputted to a gas conduit from a caulking punch, and the gas conduit, becomes narrow.A gas generator fitting part structure comprises a gas...
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JP3241818U |
[PROBLEMS] To easily and easily expand the diameter of a ring or the like without requiring skill, to make the inner peripheral surface of the ring accurately circular, to prevent deterioration in durability, and furthermore, to prevent ...
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JP7265131B2 |
To reduce the slip of a gripper at a tube end part in a drawing process of a metal tube, and to more easily produce the metal tube devoted to a drawing process.A metal tube (10) used for drawing process comprises a tube body (11), a tube...
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JP7245499B2 |
To provide a flare molding tool which can be easily and inexpensively provided with alignment means for performing alignment of a metallic pipe.Alignment means includes: a positioning pin storage hole 60 which is provided in a leg part 2...
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JP7243104B2 |
A heat exchanger includes a tube expansion portion formed by expanding a heat transfer tube so that an outer peripheral surface of the heat transfer tube is pressed against an inner peripheral surface of a hole provided in a side wall po...
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JP7236589B2 |
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JP7236456B2 |
A device for expanding and shaping the end of pipes includes a head with means for connecting to an elastically deformable expanding element with a first elongated portion for being introduced into the end of the pipe, the expanding elem...
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JP7227397B2 |
The present invention discloses a pipe expander, and provides an electric pipe expander with the advantages of simple structure, high pipe positioning precision, time-saving and labor-saving effects in processing and good pipe socket pro...
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JP7215343B2 |
To manufacture a pipe member of which closed part is reliably sealed, of which closed part is sufficiently thickened and of which end is closed, in short time.A method for manufacturing a pipe member with a closed end manufactures a pipe...
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JP7213650B2 |
To provide a ferritic stainless steel having enhanced corrosion resistance in a gap structure at a pipe end thickening part, a ferritic stainless steel pipe, a pipe end thickening structure, and a weldment structure.There is adopted a fe...
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