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:
Nov. 02, 2004
Filed:
Feb. 24, 2003
Applicant:
Inventors:
Larry Hughey McAmish, Cincinnati, OH (US);
Kenneth L. Lilly, Lebanon, OH (US);
Assignee:
Clopay Plastic Products Company, Inc., Mason, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/706 ; B29C 5/502 ;
U.S. Cl.
CPC ...
B29C 4/706 ; B29C 5/502 ;
Abstract
A method of making a microporous laminate sheet having a first film layer and a second layer. The first film layer includes a pore initiator and is bonded to the second layer in order to form a laminate sheet. The laminate sheet is then stretched using at least one CD intermeshing stretcher and at least one MDO stretching unit. Methods of making a microporous film is well as a microporous film laminate are also provided, along with an apparatus for stretching a film or laminate.