FR685339A - Perfectionnements aux pilons - Google Patents

Perfectionnements aux pilons

Info

Publication number
FR685339A
FR685339A FR685339DA FR685339A FR 685339 A FR685339 A FR 685339A FR 685339D A FR685339D A FR 685339DA FR 685339 A FR685339 A FR 685339A
Authority
FR
France
Prior art keywords
drumsticks
drumsticks improvements
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
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.)
Pneumatic Drop Hammer Co
Original Assignee
Pneumatic Drop Hammer 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 Pneumatic Drop Hammer Co filed Critical Pneumatic Drop Hammer Co
Application granted granted Critical
Publication of FR685339A publication Critical patent/FR685339A/fr
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
    • 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
    • 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
    • B21J7/36—Drives for hammers; Transmission means therefor for drop hammers
    • B21J7/38—Drives for hammers; Transmission means therefor for drop hammers driven by steam, air, or other gaseous pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Percussive Tools And Related Accessories (AREA)
FR685339D 1928-11-22 1929-11-21 Perfectionnements aux pilons Expired FR685339A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US321225A US1924545A (en) 1928-11-22 1928-11-22 Drop hammer

Publications (1)

Publication Number Publication Date
FR685339A true FR685339A (fr) 1930-07-09

Family

ID=23249716

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685339D Expired FR685339A (fr) 1928-11-22 1929-11-21 Perfectionnements aux pilons

Country Status (3)

Country Link
US (1) US1924545A (fr)
DE (1) DE546308C (fr)
FR (1) FR685339A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2612868A (en) * 1948-03-03 1952-10-07 Pneumatic Drop Hammer Company Pneumatic drop hammer
US2604071A (en) * 1950-04-07 1952-07-22 Chambersburg Eng Co Drop hammer of the gravity type
US2892449A (en) * 1957-04-18 1959-06-30 Erie Foundry Company Control for a fluid operated hammer
US3043271A (en) * 1961-03-10 1962-07-10 Chambersburg Eng Co Control system for impact device
US3142206A (en) * 1962-05-15 1964-07-28 Chambersburg Eng Co Control system for impact device
CN113751618A (zh) * 2021-10-13 2021-12-07 苏州新达电扶梯部件有限公司 一种传统牌坊式型钢机组装式防护罩装置

Also Published As

Publication number Publication date
US1924545A (en) 1933-08-29
DE546308C (de) 1932-03-19

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