CA2109137C - Spring device - Google Patents

Spring device

Info

Publication number
CA2109137C
CA2109137C CA002109137A CA2109137A CA2109137C CA 2109137 C CA2109137 C CA 2109137C CA 002109137 A CA002109137 A CA 002109137A CA 2109137 A CA2109137 A CA 2109137A CA 2109137 C CA2109137 C CA 2109137C
Authority
CA
Canada
Prior art keywords
piston
axial
space
chamber
wall
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002109137A
Other languages
English (en)
French (fr)
Other versions
CA2109137A1 (en
Inventor
Paul Johan Ten Dam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2109137A1 publication Critical patent/CA2109137A1/en
Application granted granted Critical
Publication of CA2109137C publication Critical patent/CA2109137C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/02—Die-cushions
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
    • B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Springs (AREA)
  • Glass Compositions (AREA)
  • Finger-Pressure Massage (AREA)
  • Actuator (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
CA002109137A 1992-10-26 1993-10-25 Spring device Expired - Fee Related CA2109137C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9201857A NL9201857A (nl) 1992-10-26 1992-10-26 Degressieve gasveer.
NL92.01857 1992-10-26

Publications (2)

Publication Number Publication Date
CA2109137A1 CA2109137A1 (en) 1994-04-27
CA2109137C true CA2109137C (en) 1999-07-27

Family

ID=19861427

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002109137A Expired - Fee Related CA2109137C (en) 1992-10-26 1993-10-25 Spring device

Country Status (10)

Country Link
US (1) US5454549A (enExample)
EP (1) EP0595417B1 (enExample)
JP (1) JP3816963B2 (enExample)
KR (1) KR0164439B1 (enExample)
AT (1) ATE154530T1 (enExample)
CA (1) CA2109137C (enExample)
DE (1) DE69311672T2 (enExample)
ES (1) ES2107613T3 (enExample)
NL (1) NL9201857A (enExample)
TW (1) TW227595B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19800661B4 (de) * 1998-01-10 2005-05-19 Burkhard Oest Gasdruckfeder mit regelbarem Gasvolumen
US7152451B1 (en) * 2006-05-26 2006-12-26 Diebolt International, Inc. Reaction device for forming equipment
DE102007005011B4 (de) * 2007-02-01 2012-09-06 Saeta Gmbh & Co. Kg Verfahren und Ziehwerkzeug zum Tiefziehen von Rohlingen aus Blechmaterial zu flanschlosen Formlingen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1967245A (en) * 1931-02-20 1934-07-24 American Can Co Art of drawing
US2143429A (en) * 1936-10-14 1939-01-10 Frank Tea & Spice Company Apparatus for forming sheet metal forms
US3267715A (en) * 1961-10-16 1966-08-23 Dro Engineering Company Di Hydraulic control for dies in ram type presses
US3420089A (en) * 1966-02-16 1969-01-07 Mc Donnell Douglas Corp Variable pressure drawpress and method
DE2609916A1 (de) * 1976-03-10 1977-09-15 Etscheid Ohg Hermann Niederhaltevorrichtung an einer tiefziehpresse
GB1481202A (en) * 1976-03-29 1977-07-27 Metal Box Co Ltd Deep drawing
US4745792A (en) * 1986-10-14 1988-05-24 Aluminum Company Of America Blankholder for a draw press
US4796454A (en) * 1987-02-09 1989-01-10 Redicon Corporation Method for controlling movement in a single action forming press
US4873859A (en) * 1987-02-09 1989-10-17 Redicon Corporation Apparatus for controlling movement in a single action forming press

Also Published As

Publication number Publication date
KR940008806A (ko) 1994-05-16
CA2109137A1 (en) 1994-04-27
ES2107613T3 (es) 1997-12-01
US5454549A (en) 1995-10-03
NL9201857A (nl) 1993-10-18
DE69311672T2 (de) 1998-01-08
JP3816963B2 (ja) 2006-08-30
KR0164439B1 (ko) 1999-01-15
DE69311672D1 (de) 1997-07-24
TW227595B (enExample) 1994-08-01
ATE154530T1 (de) 1997-07-15
JPH06241258A (ja) 1994-08-30
EP0595417A1 (en) 1994-05-04
EP0595417B1 (en) 1997-06-18

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed