Invention Grant
- Patent Title: Manufacture of metal tubes
- Patent Title (中): 金属管制造
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Application No.: US683782Application Date: 1991-04-11
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Publication No.: US5119984APublication Date: 1992-06-09
- Inventor: Jack Clark , Patrick B. Ryan
- Applicant: Jack Clark , Patrick B. Ryan
- Applicant Address: GB2 London
- Assignee: Pirelli General plc
- Current Assignee: Pirelli General plc
- Current Assignee Address: GB2 London
- Main IPC: B21C37/08
- IPC: B21C37/08 ; B21C37/087 ; B21D5/12 ; B23K1/06 ; B23K1/16 ; B23K1/18 ; H01B13/26
Abstract:
An apparatus for forming metal tubes is shown in which a metal strip 2' having a brazing wire 1 bonded to an edge portion thereof passes through the apparatus and is formed by a combination of rollers 17, 17', 19, 19' and dies 15, 24 into a shape defining a tube. A frictional wheel 27 bonds together the two edge portions of the shape defining a tube.
Public/Granted literature
- US5715803A System for removing hazardous contents from compressed gas cylinders Public/Granted day:1998-02-10
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