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:
Jun. 16, 1992
Filed:
Mar. 22, 1991
Roger C Mort, Orwigsburg, PA (US);
Semyon Soyferman, Cressona, PA (US);
Stephen J Weibush, Whitehall, PA (US);
Richard F O'Brien, Pottsville, PA (US);
Stephen D Albert, Midlothian, VA (US);
Michael D Schmal, Orwigsburg, PA (US);
Allied-Signal Inc., Morris Township, Morris County, NJ (US);
Abstract
A film blowing apparatus for the production of blown polymeric films includes a modified air ring which includes means for the continuous or periodic collection and removal of liquids from the proximity of the circular die which may condense, and further, optionally includes the further step of providing means, preferably a vacuum pump, for withdrawing and optionally collecting the condensed liquids from the surface of the modified air ring facing the blown film.