The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 1988
Filed:
Jun. 05, 1987
Applicant:
Inventor:
Peter F Cloeren, Orange, TX (US);
Assignee:
P.C.E. Corp., Orange, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264171 ; 264 407 ; 4251311 ; 4251335 ; 425462 ;
Abstract
The present invention provides a novel coextrusion apparatus including, in a preferred embodiment, a die within a feedblock. The apparatus includes edge seam-forming channels, which provide a core layer sandwiched within adjacent layers having integrally seamed edges. Also provided in a unique process for sandwiching a core stream within adjacent layers.