GB1504981A - Die assemblies - Google Patents

Die assemblies

Info

Publication number
GB1504981A
GB1504981A GB10227/75A GB1022775A GB1504981A GB 1504981 A GB1504981 A GB 1504981A GB 10227/75 A GB10227/75 A GB 10227/75A GB 1022775 A GB1022775 A GB 1022775A GB 1504981 A GB1504981 A GB 1504981A
Authority
GB
United Kingdom
Prior art keywords
cylinder
piston
housing
rod
spring
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
Application number
GB10227/75A
Other languages
English (en)
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 GB1504981A publication Critical patent/GB1504981A/en
Expired 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
GB10227/75A 1974-05-31 1975-03-12 Die assemblies Expired GB1504981A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47504074A 1974-05-31 1974-05-31
US05/536,084 US3947005A (en) 1974-05-31 1974-12-24 Fluid spring assembly

Publications (1)

Publication Number Publication Date
GB1504981A true GB1504981A (en) 1978-03-22

Family

ID=27044664

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10227/75A Expired GB1504981A (en) 1974-05-31 1975-03-12 Die assemblies

Country Status (6)

Country Link
US (1) US3947005A (https=)
BR (1) BR7502392A (https=)
DE (1) DE2511569C3 (https=)
FR (1) FR2272765B1 (https=)
GB (1) GB1504981A (https=)
IT (1) IT1035250B (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188588A (en) * 1986-04-07 1987-10-07 Sterling Eng Products Inc Embossing machine
WO2025107371A1 (zh) * 2023-11-21 2025-05-30 内蒙古第一机械集团股份有限公司 托盘零件异形截面全轮廓一体翻边成型模具及成形方法

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076103A (en) * 1976-09-13 1978-02-28 Wallis Bernard J Lubricating means for gas-operated cylinders
US4154434A (en) * 1977-10-26 1979-05-15 Wallis Bernard J Boot arrangement for piston-cylinder assembly
US4342448A (en) * 1980-04-04 1982-08-03 Wallis Bernard J Gas-operated cylinder
US4447047A (en) * 1981-01-14 1984-05-08 Di-Dro Systems Inc. Cylinder structure
US4583722A (en) * 1984-05-17 1986-04-22 Wallis Bernard J Nitrogen die cylinder
US4688775A (en) * 1985-04-15 1987-08-25 Teledyne Industries, Inc. Self-lubricating die cylinder
DE3611011A1 (de) * 1986-04-02 1987-10-08 Profil Verbindungstechnik Gmbh Mit kompressiblem druckmedium gefuellte zylinder-kolbeneinheit
DE3919372A1 (de) * 1989-06-14 1990-12-20 Schuler Gmbh L Druckwange im ziehapparat einer presse
JP2817963B2 (ja) * 1989-08-30 1998-10-30 日本発条株式会社 ダイスプリング装置
US5197718A (en) * 1990-12-14 1993-03-30 Wallis Bernard J Self-contained gas springs interchangeable with coil springs
US5314172A (en) * 1992-05-08 1994-05-24 Wallis Bernard J High pressure die cylinder and manifold system
US5549281A (en) * 1994-01-25 1996-08-27 Hall; G. Gordon Liquid spring for punch press
US5480128A (en) * 1995-01-06 1996-01-02 Diebolt International, Inc. Gas spring with threaded mount and method of producing the same
DE19757376B4 (de) * 1997-12-22 2005-07-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Tiefziehwerkzeug
CN105107944B (zh) * 2015-08-19 2017-04-05 天津市华天世纪机械有限公司 一种便于取件的保险杠整形模具
CN109127848A (zh) * 2018-09-28 2019-01-04 南通市腾达锻压机床厂 薄板拉伸液压机的上液压垫装置
CN109317577B (zh) * 2018-10-09 2021-04-06 成都双流华成垫片厂 一种冲压模具拖料装置及使用方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180634A (en) * 1961-11-01 1965-04-27 Prec Products Inc Fluid spring
US3202411A (en) * 1963-10-11 1965-08-24 Elmer F Heiser Fluid spring system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188588A (en) * 1986-04-07 1987-10-07 Sterling Eng Products Inc Embossing machine
GB2188588B (en) * 1986-04-07 1990-06-20 Sterling Eng Products Inc Holder for embossing items of irregular cross-section
WO2025107371A1 (zh) * 2023-11-21 2025-05-30 内蒙古第一机械集团股份有限公司 托盘零件异形截面全轮廓一体翻边成型模具及成形方法

Also Published As

Publication number Publication date
DE2511569B2 (de) 1979-05-10
DE2511569A1 (de) 1975-12-11
FR2272765B1 (https=) 1980-08-08
IT1035250B (it) 1979-10-20
AU7857275A (en) 1976-08-26
DE2511569C3 (de) 1980-01-17
BR7502392A (pt) 1976-04-20
US3947005A (en) 1976-03-30
FR2272765A1 (https=) 1975-12-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee