GB335398A - Process for manufacturing tubes - Google Patents

Process for manufacturing tubes

Info

Publication number
GB335398A
GB335398A GB30859/29A GB3085929A GB335398A GB 335398 A GB335398 A GB 335398A GB 30859/29 A GB30859/29 A GB 30859/29A GB 3085929 A GB3085929 A GB 3085929A GB 335398 A GB335398 A GB 335398A
Authority
GB
United Kingdom
Prior art keywords
strip
tube
die
sheared
dies
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
GB30859/29A
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 GB335398A publication Critical patent/GB335398A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/10—Making tubes with riveted seams or with non-welded and non-soldered seams
    • B21C37/108—Making tubes with riveted seams or with non-welded and non-soldered seams without continuous longitudinal movement of the sheet during the bending operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

335,398. Pump, E. Oct. 23, 1028, [Convention date]. Reels.-A reel &c., Fig. 5, with beaded ends a and stamped part b is made from a strip i in one down and up motion of a block c. The strip i is gripped or bent if required between spring pressed dies e, f, which then move downward together until the strip is sheared off between a fixed blade t<2> and moving blade t<1>. When the strip has been sheared the curved ends of pivoted levers r<1>, r<2> abut against parts w<1> and thereby spread apart to allow the dies e, f to return to upper position and to open ready for the next feed of the strip. The cut off piece is then made U-shaped by the circular mandrel m<1> and die K, and is then forced into a tube by the further descent of the upper die. Beading tools n<1> at each end of the tube are moved axially inward by guides w<1>, w<2>, Fig. 2. The stamped part b is finally formed by the tube being forced against a fixed die x. The tube is stripped off by an ejector o swung by a cam groove q.
GB30859/29A 1928-10-23 1929-10-11 Process for manufacturing tubes Expired GB335398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE335398X 1928-10-23

Publications (1)

Publication Number Publication Date
GB335398A true GB335398A (en) 1930-09-25

Family

ID=6219240

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30859/29A Expired GB335398A (en) 1928-10-23 1929-10-11 Process for manufacturing tubes

Country Status (1)

Country Link
GB (1) GB335398A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017283B (en) * 1952-11-29 1957-10-10 Gen Electric Method and device for forming and assembling metal screens on electrode structures of discharge lamps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017283B (en) * 1952-11-29 1957-10-10 Gen Electric Method and device for forming and assembling metal screens on electrode structures of discharge lamps

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