Techniques for welding thermoplastic tubes

Details Techniques for welding thermoplastic tubes Techniques for welding thermoplastic tubes

1989-08-16

1990-06-12

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156159, 1562733, 1563042, 1563045, 1563046, 1563099, 156503, 156507, B29C 6518, B29C 6520

Patent

active

049330365

ABSTRACT:
Two thermoplastic tubes are welded together by pre-cutting the tubes to create two ends which are axially aligned when placed in a holding device. A wafer is inserted in the space between the cut ends and the wafer is heated to melt the cut ends while the cut ends are in a non-flattened condition. After the wafer is removed the melted cut ends are pressed against each other to weld the cut ends together.

REFERENCES:
patent: 4263084 (1981-04-01), Takala
patent: 4507119 (1985-03-01), Spencer
patent: 4737214 (1988-04-01), Leurink et al.
patent: 4753697 (1988-06-01), Shaposka et al.
patent: 4793880 (1988-12-01), Shaposka et al.

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