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:
Aug. 24, 1993
Filed:
Jun. 30, 1989
Applicant:
Inventors:
Richard D Stolk, Manchester, MO (US);
Vladimir O Bekker, Olivette, MO (US);
Assignee:
Kyowa Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264147 ; 264156 ; 26417717 ; 2641 / ; 264211 ; 26433113 ; 26433116 ; 26433117 ;
Abstract
Process for making wireless twist ties including extruding and quenching molten polymeric materials to form ribbon or perforated sheets. Wireless twist ties include polymeric material, such as polyethylene terephthalate, polyvinylchloride, styrene-acrylonitrile copolymer and polystyrene and particulate rubber impact modifier. Wireless twist ties, when elongated, exhibit deformation before failure of at least 50%.