Manufacture of capillary tubing

Details Manufacture of capillary tubing Manufacture of capillary tubing

1994-01-14

1995-09-05

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With mold element formation or removal

2642094, 264317, 264334, B29C 3344, B29C 4144

Patent

active

054476720

ABSTRACT:
A method of manufacturing flexible thick-wall capillary tubing, comprising the steps of extruding a plastics sheath around a filament of uniform diameter, and withdrawing the filament from the sheath to form a length of tubing having a capillary bore which has been defined by the filament. The method enables the manufacture of fine-bore capillary tubing having a tightly controlled bore diameter.

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Derwent Publications Ltd., Database WPI, Week 8545, 27 Sep. 1985 AN 85-280158 & JP-A-60 190 323.
Derwent Publications Ltd., Database WPI, Week 8631, 23 Jun. 1986 AN 86-202308 & JP-A-61 135 723.

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