Triple-wall foam coextrusion apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 11, 1989
Issued Date -
N/A
app pub date -
Dec 31, 1987
filing date -
Nov 19, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A triple-wall foam coextrusion apparatus in which inner and outer layers of one synthetic resin material are coextruded with an intermediate layer of another synthetic resin material, and wherein the passages for the first material are inclined to the axis along which the second material is extruded around a spider to ensure uniform flow.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully