CH621949A5 - - Google Patents

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Publication number
CH621949A5
CH621949A5 CH1134277A CH1134277A CH621949A5 CH 621949 A5 CH621949 A5 CH 621949A5 CH 1134277 A CH1134277 A CH 1134277A CH 1134277 A CH1134277 A CH 1134277A CH 621949 A5 CH621949 A5 CH 621949A5
Authority
CH
Switzerland
Prior art keywords
piston
cylinder
cylinder piston
annular piston
ring
Prior art date
Application number
CH1134277A
Other languages
German (de)
English (en)
Inventor
Eduard J C Huydts
Original Assignee
Siempelkamp Gmbh & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siempelkamp Gmbh & Co filed Critical Siempelkamp Gmbh & Co
Publication of CH621949A5 publication Critical patent/CH621949A5/de

Links

Classifications

    • 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
    • B21C37/30—Finishing tubes, e.g. sizing, burnishing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Actuator (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Jigs For Machine Tools (AREA)
CH1134277A 1976-11-05 1977-09-16 CH621949A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2650691A DE2650691C3 (de) 1976-11-05 1976-11-05 Vorrichtung zum Außenkalibrieren von Rohren

Publications (1)

Publication Number Publication Date
CH621949A5 true CH621949A5 (fr) 1981-03-13

Family

ID=5992520

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1134277A CH621949A5 (fr) 1976-11-05 1977-09-16

Country Status (7)

Country Link
US (1) US4179915A (fr)
JP (2) JPS5367464A (fr)
CH (1) CH621949A5 (fr)
DE (1) DE2650691C3 (fr)
FR (1) FR2369886A1 (fr)
GB (1) GB1537803A (fr)
IT (1) IT1087776B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023892B2 (ja) * 1979-05-22 1985-06-10 日本鋼管株式会社 厚肉鋼管製造方法
US4685323A (en) * 1984-01-26 1987-08-11 Grotnes Metalforming Systems, Inc. Method for increasing the buckling load capacity and the comprehensive and tensile properties of a column
DE3408070A1 (de) * 1984-03-05 1985-09-05 Kraftwerk Union AG, 4330 Mülheim Aufweitvorrichtung fuer rohrenden
FI880529A (fi) * 1987-07-22 1989-01-23 Siemens Ag Anordning foer dragande av en roeraenda medelst kallbearbetning.
US20120216591A1 (en) * 2011-02-25 2012-08-30 Manuli Rubber Industries S.P.A. Crimping Apparatus
CN113251899B (zh) * 2021-05-26 2023-12-01 河南柴油机重工有限责任公司 一种大直径浅止口直径尺寸专用量具

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303681A (en) * 1964-02-19 1967-02-14 Le Fiell Mfg Company Swaging machine
US3362212A (en) * 1965-04-13 1968-01-09 Walker Mfg Co Tube machine
US3370451A (en) * 1965-06-28 1968-02-27 Blaw Knox Co Apparatus and method for pointing tubes
US3417598A (en) * 1966-08-19 1968-12-24 Manco Mfg Co Apparatus for pointing work pieces
US3461710A (en) * 1967-12-28 1969-08-19 Grotnes Machine Works Inc Methods and apparatus for shrink forming metal articles

Also Published As

Publication number Publication date
US4179915A (en) 1979-12-25
JPS57205005U (fr) 1982-12-27
IT1087776B (it) 1985-06-04
DE2650691C3 (de) 1980-01-24
DE2650691B2 (de) 1979-05-17
FR2369886A1 (fr) 1978-06-02
FR2369886B1 (fr) 1982-05-14
JPS5367464A (en) 1978-06-15
DE2650691A1 (de) 1978-05-11
GB1537803A (en) 1979-01-04

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Legal Events

Date Code Title Description
PL Patent ceased