GB335398A - Process for manufacturing tubes - Google Patents
Process for manufacturing tubesInfo
- 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
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.
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)
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 |
-
1929
- 1929-10-11 GB GB30859/29A patent/GB335398A/en not_active Expired
Cited By (1)
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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