Method of molding a flexible tube of low thermal longitudinal co

Details Method of molding a flexible tube of low thermal longitudinal co Method of molding a flexible tube of low thermal longitudinal co

1987-09-08

1989-10-03

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

2642095, 2642356, B29C 4706

Patent

active

048714992

ABSTRACT:
A tube for protecting and guiding an optical fiber is constituted by two tubes which are co-extruded and then stretched. The inner tube thus acquires a reduced coefficient of linear expansion, which is closer to that of glass. The outer tube protects the inner tube from fibrils appearing on its surface.

REFERENCES:
patent: 2922194 (1960-01-01), Lampard et al.
patent: 3553303 (1971-01-01), Zarainik
patent: 4499041 (1985-02-01), Hohn et al.
patent: 4735538 (1988-04-01), Reed et al.

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