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. 10, 1987
Filed:
Dec. 21, 1984
Applicant:
Inventor:
Alfred D Story, Danville, IL (US);
Assignee:
Teepak, Inc., Oak Brook, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L / ;
U.S. Cl.
CPC ...
1381181 ; 17 45 ;
Abstract
A shirred tubular material comprising a plurality of outer folds which when the tubular material is opened are arranged along at least two substantially parallel, longitudinally extending helixes. A method for forming the disclosed shirred tubular material is disclosed which comprises sequentially applying shirring forces through two or more sets of shirring elements wherein each successive member of a set applies shirring forces along a different continuous line than its immediate preceding member. The tubular material may contain reinforcing fibers.