GB589009A - A new or improved method of manufacturing or producing chain - Google Patents

A new or improved method of manufacturing or producing chain

Info

Publication number
GB589009A
GB589009A GB646345A GB646345A GB589009A GB 589009 A GB589009 A GB 589009A GB 646345 A GB646345 A GB 646345A GB 646345 A GB646345 A GB 646345A GB 589009 A GB589009 A GB 589009A
Authority
GB
United Kingdom
Prior art keywords
links
chain
link
welding
flash
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
GB646345A
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.)
CHAIN DEVELOPMENTS Ltd
Original Assignee
CHAIN DEVELOPMENTS 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 CHAIN DEVELOPMENTS Ltd filed Critical CHAIN DEVELOPMENTS Ltd
Priority to GB646345A priority Critical patent/GB589009A/en
Publication of GB589009A publication Critical patent/GB589009A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21L—MAKING METAL CHAINS
    • B21L15/00—Finishing or dressing chains or chain links, e.g. removing burr material, calibrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

589,009. Making chains. CHAIN DEVELOPMENTS, Ltd., and SMITH, W. March 15, 1945, No. 6463. [Class 83 (ii)] Chains for operating pulley blocks &c. having links of predetermined dimensions are made by cutting predetermined lengths from circular or other stock, bending into half links which are then welded in pairs, interconnecting two welded links to provide a short chain portion of three links by threading half links through each welded link and welding them together, and subsequently building up in stages by interconnecting chain portions of ever-increasing length by threading therein and welding together further pairs of half links. The flash metal resulting from the weld of each complete individual link is removed as produced and the centre link of a three-link portion is also similarly treated after welding. Two three-link portions are then united together by welding a pair of half links thereto to form a seven-link portion and the flash of the new link is then removed. After similarly joining two sevenlink portions to produce a fifteen-link portion and so on until the chain is of the desired length, the flash of the remaining centre links is then removed, the chain being held in a channelled bed or frame. Chain portions having different numbers of links may also be similarly united according to the length of chain. The stock may be fed from a drum through a straightening machine and before bending may be heated to red heat in a furnace and bent before any appreciable degree of cooling, and the ends of the half links cleaned before welding. After the chain is complete it may be heated in a normalizing furnace and may then be tested and polished by barrelling &c. One or more flash-welding machines may be used to effect the welds. The half links may be bent to U- shape for links of round or oval shape, but for stud chain-links one or both halves may be D-shaped. Specification 589,018 is referred to.
GB646345A 1945-03-15 1945-03-15 A new or improved method of manufacturing or producing chain Expired GB589009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB646345A GB589009A (en) 1945-03-15 1945-03-15 A new or improved method of manufacturing or producing chain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB646345A GB589009A (en) 1945-03-15 1945-03-15 A new or improved method of manufacturing or producing chain

Publications (1)

Publication Number Publication Date
GB589009A true GB589009A (en) 1947-06-09

Family

ID=9814942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB646345A Expired GB589009A (en) 1945-03-15 1945-03-15 A new or improved method of manufacturing or producing chain

Country Status (1)

Country Link
GB (1) GB589009A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113084077A (en) * 2021-04-13 2021-07-09 北京华海基业机械设备有限公司 Production process of chain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113084077A (en) * 2021-04-13 2021-07-09 北京华海基业机械设备有限公司 Production process of chain

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