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:
Mar. 30, 1976
Filed:
Nov. 18, 1974
Applicant:
Inventor:
Henry Ellwood, Rochdale, EN;
Assignee:
USM Corporation, Boston, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425147 ; 425327 ; 425381 ; 425466 ; 425376 ;
Abstract
Plastic extruding and roll forming apparatus having a connecting passage at least partially formed by a plate which is swingable between open and closed position to conduct material from an extruder to forming rolls and to provide access and/or to release excess material in the passage. The extrusion and forming rates are controlled by the movement of the plate.