Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Forming continuous work followed by cutting
Patent
1974-02-21
1976-05-04
Thurlow, Jeffery R.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Forming continuous work followed by cutting
264147, 264160, 264171, 264284, 264289, 264DIG47, 264344, B29C 1710
Patent
active
039549330
ABSTRACT:
A reticular split film comprising transverse, relatively thick, oriented, regularly formed stemfibres and intervening relatively thin, and generally irregularly formed branchfibres, which are biaxially oriented and film-shaped in areas adjacent to the stemfibres and more fibre-shaped over the rest of their length.
The structure is produced by embossing (profiling) a film in a biased or perpendicular line pattern, orienting and splitting the thin intervening portions between the thicker striations while shearing the striations relative to one another, and finally orienting the striations.
REFERENCES:
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patent: 3137746 (1964-06-01), Seymour et al.
patent: 3350491 (1967-10-01), Rasmussen
patent: 3468461 (1969-09-01), Rasmussen
patent: 3488415 (1970-01-01), Patchell et al.
patent: 3511901 (1970-05-01), Brown
patent: 3541197 (1970-11-01), Hughes
patent: 3724198 (1973-04-01), Kim
patent: 3746607 (1973-07-01), Harmon et al.
Daniel William J.
Societe F. Beghin
Thurlow Jeffery R.
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