TW235993B - - Google Patents
Info
- Publication number
- TW235993B TW235993B TW82105211A TW82105211A TW235993B TW 235993 B TW235993 B TW 235993B TW 82105211 A TW82105211 A TW 82105211A TW 82105211 A TW82105211 A TW 82105211A TW 235993 B TW235993 B TW 235993B
- Authority
- TW
- Taiwan
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/20—Making machine elements valve parts
- B21K1/24—Making machine elements valve parts valve bodies; valve seats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/29—Making branched pieces, e.g. T-pieces
- B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT92VC000001U IT229395Y1 (it) | 1992-04-10 | 1992-04-10 | Struttura elettrosaldata di corpo valvola a flusso libero. |
Publications (1)
Publication Number | Publication Date |
---|---|
TW235993B true TW235993B (no) | 1994-12-11 |
Family
ID=11423580
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW82105211A TW235993B (no) | 1992-04-10 | 1993-06-30 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0565114A1 (no) |
IT (1) | IT229395Y1 (no) |
TW (1) | TW235993B (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE229598T1 (de) * | 1993-10-06 | 2002-12-15 | Toto Ltd | Zapfhahn aus rohrmaterial und verfahren zu seiner herstellung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2736949A (en) * | 1952-12-01 | 1956-03-06 | William D Kraemer | Method for forming pipe fittings |
DE1045751B (de) * | 1956-01-16 | 1958-12-04 | Karl Eduard Hannemann | Regelventil mit eingeschweisstem Steg |
FR1217174A (fr) * | 1958-12-02 | 1960-05-02 | Procédé et dispositifs de fabrication de tubulures dans un tube de faible épaisseur | |
FR1271227A (fr) * | 1960-07-29 | 1961-09-08 | Perfectionnements à la fabrication des vannes et vannes en résultant | |
US4972577A (en) * | 1988-12-12 | 1990-11-27 | Dierikx Andreas P A | Method for manufacturing gate valves |
-
1992
- 1992-04-10 IT IT92VC000001U patent/IT229395Y1/it active IP Right Grant
-
1993
- 1993-04-08 EP EP93105862A patent/EP0565114A1/en not_active Withdrawn
- 1993-06-30 TW TW82105211A patent/TW235993B/zh active
Also Published As
Publication number | Publication date |
---|---|
ITVC920001V0 (it) | 1992-04-10 |
IT229395Y1 (it) | 1998-07-02 |
ITVC920001U1 (it) | 1993-10-10 |
EP0565114A1 (en) | 1993-10-13 |