Co-extruded tape or yarn
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 4, 2000
Grant Date -
N/A
app pub date -
Nov 24, 1997
filing date -
Dec 1, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention is directed to a co-extruded tape or yarn of the ABA-type, as well as to a process for producing such a tape, comprising a central layer and two top layers, the composition of the central layer (B) and the top layers (A) being different, wherein the central layer (B) is based on at least one propylene polymer, or on at least one ethylene polymer having a density of more than 935 kg/m.sup.3, and the top layers (A) are based on at least one ethylene copolymer with one or more C.sub.3 -C.sub.8 olefins, and the tape or yarn having a thickness of 50 to 150 .mu.m and a stretch ratio between 6 and 10.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 30 Citation Count
- B32B Class
- 70.57 % this patent is cited more than
- 25 Age