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:
Sep. 21, 2010
Filed:
Nov. 20, 2001
Applicants:
Erol Craig Harvey, Ringwood North, AU;
Ramon Glenny Waycott, Donvale, AU;
David Lee Carew, St. Albans, AU;
Inventors:
Erol Craig Harvey, Ringwood North, AU;
Ramon Glenny Waycott, Donvale, AU;
David Lee Carew, St. Albans, AU;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 43/46 (2006.01); B29C 33/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for treating a film by providing a structure including a substrate and an array of upstanding projections each of which includes multiple contact points. The structure is pressed against the surface of a polymeric film to cause deformation or rupture of the film. The film may then be pressed to partially reseal the perforations. The structure can be produced by electroplating a mould which includes an array of elements of dimensions corresponding to the projections of the desired structure.