FR525622A - Improvements to springs especially intended for percussion tools - Google Patents

Improvements to springs especially intended for percussion tools

Info

Publication number
FR525622A
FR525622A FR525622A FR525622DA FR525622A FR 525622 A FR525622 A FR 525622A FR 525622 A FR525622 A FR 525622A FR 525622D A FR525622D A FR 525622DA FR 525622 A FR525622 A FR 525622A
Authority
FR
France
Prior art keywords
especially intended
percussion tools
springs
springs especially
percussion
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
FR525622A
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.)
W H Dorman & Co Ltd
Original Assignee
W H Dorman & Co Ltd
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 W H Dorman & Co Ltd filed Critical W H Dorman & Co Ltd
Application granted granted Critical
Publication of FR525622A publication Critical patent/FR525622A/en
Expired 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
    • B21J15/00—Riveting
    • B21J15/10—Riveting machines
    • B21J15/16—Drives for riveting machines; Transmission means therefor
    • B21J15/20—Drives for riveting machines; Transmission means therefor operated by hydraulic or liquid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR525622A 1919-07-10 1920-10-06 Improvements to springs especially intended for percussion tools Expired FR525622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB525622X 1919-07-10

Publications (1)

Publication Number Publication Date
FR525622A true FR525622A (en) 1921-09-24

Family

ID=10464389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR525622A Expired FR525622A (en) 1919-07-10 1920-10-06 Improvements to springs especially intended for percussion tools

Country Status (1)

Country Link
FR (1) FR525622A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941367A (en) * 1957-04-30 1960-06-21 Schwab Charles John Pressure transmitting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941367A (en) * 1957-04-30 1960-06-21 Schwab Charles John Pressure transmitting device

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