FR567220A - Improvements to machines used for punching hollow objects - Google Patents

Improvements to machines used for punching hollow objects

Info

Publication number
FR567220A
FR567220A FR567220DA FR567220A FR 567220 A FR567220 A FR 567220A FR 567220D A FR567220D A FR 567220DA FR 567220 A FR567220 A FR 567220A
Authority
FR
France
Prior art keywords
machines used
hollow objects
punching hollow
punching
objects
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
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand 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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Application granted granted Critical
Publication of FR567220A publication Critical patent/FR567220A/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
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/002—Drive of the tools
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Forging (AREA)
FR567220D 1922-06-19 1923-06-09 Improvements to machines used for punching hollow objects Expired FR567220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US567220XA 1922-06-19 1922-06-19

Publications (1)

Publication Number Publication Date
FR567220A true FR567220A (en) 1924-02-27

Family

ID=22006203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR567220D Expired FR567220A (en) 1922-06-19 1923-06-09 Improvements to machines used for punching hollow objects

Country Status (3)

Country Link
DE (1) DE419330C (en)
FR (1) FR567220A (en)
GB (1) GB199392A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110918799A (en) * 2019-12-31 2020-03-27 河南千王钎具有限责任公司 One-step forming method for water gap of drill tool

Also Published As

Publication number Publication date
DE419330C (en) 1925-09-25
GB199392A (en) 1924-04-24

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