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:
May. 24, 1977
Filed:
May. 13, 1974
Applicant:
Inventor:
Donald George Keith, Mount Eliza, AU;
Assignee:
ICI Australia Limited, , AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264291 ; 264154 ; 264288 ; 264D / ;
Abstract
A process of cold drawing a shaped plastic sheet wherein said sheet has an array of substantially parallel rows of hollow pointed projections on one or both faces; said projections having at least a portion of the distal portion of the sides at an angle of over 60.degree. to the median plane of the sheet which process comprises cold drawing the shaped plastic sheet along an axis in the plane of the sheet normal to the rows of hollow projections.