FR2272829A1 - - Google Patents

Info

Publication number
FR2272829A1
FR2272829A1 FR7516692A FR7516692A FR2272829A1 FR 2272829 A1 FR2272829 A1 FR 2272829A1 FR 7516692 A FR7516692 A FR 7516692A FR 7516692 A FR7516692 A FR 7516692A FR 2272829 A1 FR2272829 A1 FR 2272829A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7516692A
Other languages
French (fr)
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.)
Hare Ltd P J
Original Assignee
Hare Ltd P J
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 Hare Ltd P J filed Critical Hare Ltd P J
Publication of FR2272829A1 publication Critical patent/FR2272829A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
    • B21J9/16—Drives for forging presses operated by hydraulic or liquid pressure in conjunction with steam or gas power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/22—Drives for hammers; Transmission means therefor for power hammers
    • B21J7/28—Drives for hammers; Transmission means therefor for power hammers operated by hydraulic or liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
    • B21J7/20—Drives for hammers; Transmission means therefor
    • B21J7/46—Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Press Drives And Press Lines (AREA)
  • Reciprocating Pumps (AREA)
FR7516692A 1974-05-28 1975-05-28 Withdrawn FR2272829A1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2351974A GB1513862A (en) 1974-05-28 1974-05-28 Fluid pressure apparatus for operating a thrust-applying ram

Publications (1)

Publication Number Publication Date
FR2272829A1 true FR2272829A1 (it) 1975-12-26

Family

ID=10196940

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7516692A Withdrawn FR2272829A1 (it) 1974-05-28 1975-05-28

Country Status (6)

Country Link
JP (1) JPS50158784A (it)
DE (1) DE2523745A1 (it)
ES (1) ES437993A1 (it)
FR (1) FR2272829A1 (it)
GB (1) GB1513862A (it)
IT (1) IT1032998B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0509816A1 (en) * 1991-04-16 1992-10-21 Dawson Construction Plant Limited Hydraulic pile hammer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0076556B1 (en) * 1981-10-06 1990-08-08 Leslie Hartridge Limited A press
RU2746074C9 (ru) * 2017-08-30 2021-11-26 СМСи КОРПОРЕЙШН Устройство повышения давления
CN117139416A (zh) * 2023-09-01 2023-12-01 中国船舶集团广西造船有限公司 一种风电塔筒法兰焊接变形高精度校正装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0509816A1 (en) * 1991-04-16 1992-10-21 Dawson Construction Plant Limited Hydraulic pile hammer

Also Published As

Publication number Publication date
IT1032998B (it) 1979-06-20
ES437993A1 (es) 1977-01-16
GB1513862A (en) 1978-06-14
JPS50158784A (it) 1975-12-22
DE2523745A1 (de) 1975-12-11

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Legal Events

Date Code Title Description
ST Notification of lapse