GB363507A - An improved process of making wrenches - Google Patents

An improved process of making wrenches

Info

Publication number
GB363507A
GB363507A GB37796/30A GB3779630A GB363507A GB 363507 A GB363507 A GB 363507A GB 37796/30 A GB37796/30 A GB 37796/30A GB 3779630 A GB3779630 A GB 3779630A GB 363507 A GB363507 A GB 363507A
Authority
GB
United Kingdom
Prior art keywords
opening
groove
channel
punch
projections
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
GB37796/30A
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 GB363507A publication Critical patent/GB363507A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21K5/16—Making tools or tool parts, e.g. pliers tools for turning nuts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

363,507. Making hand tools. BRUNCARDT, A. 0., Elen Street, Scituate, Massachusetts, U.S.A. Dec. 15, 1930, No. 37796. Convention date, June 13. [Classes 83 (ii) and 83 (iv).] Perforating by forging. -A wrench member comprising an integral shank 10, Fig. 8A, nut housing 12, and jaw 11, and fo med with an opening 14, a longitudinal channel 13, a spring-receiving groove and recess 19, 20, and projections 17, 18, is formed, by a series of forging and punching operations, from a similarly formed forged blank, Fig. 1A, having recesses 22, projections 18, and depressions 21. The blank is reheated and inserted in the forging machine. The opening 14 is formed by a punch, and a second punch partially forms the channel 13 and groove 19 and causes the flow of metal into the recesses 22 and shaped die-members to form the projections 17. The channel and groove on one side of the blank are then completely punched by another tool, and the opening 14 is cleared of waste metal by the punch that formed it. The channel and groove on the other side are then formed by another punch. The recess 20 may be formed by a milling cutter. Modifications in the form of the wrench are described. The opening 14 and the rear channel and groove 13, 19, especially in a form in which the opening 14 is not bridged across, may be formed by milling. Specification 328,727, [Class 83 (ii), Metal articles &c.], is referred to.
GB37796/30A 1930-06-13 1930-12-15 An improved process of making wrenches Expired GB363507A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US363507XA 1930-06-13 1930-06-13

Publications (1)

Publication Number Publication Date
GB363507A true GB363507A (en) 1931-12-24

Family

ID=21888111

Family Applications (1)

Application Number Title Priority Date Filing Date
GB37796/30A Expired GB363507A (en) 1930-06-13 1930-12-15 An improved process of making wrenches

Country Status (1)

Country Link
GB (1) GB363507A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1326642C (en) * 2002-10-16 2007-07-18 谢智庆 Producing method for H-shape spanner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1326642C (en) * 2002-10-16 2007-07-18 谢智庆 Producing method for H-shape spanner

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