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:
Jan. 04, 2005
Filed:
Oct. 09, 2000
Applicants:
Gerhard Wieners, Frankfurt, DE;
Wilfrid Tews, Bechhofen, DE;
Inventors:
Gerhard Wieners, Frankfurt, DE;
Wilfrid Tews, Bechhofen, DE;
Assignee:
Trespaphan GmbH, Neunkirchen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4924 ; B32B 2720 ;
U.S. Cl.
CPC ...
Abstract
The invention relate to the use of a multi-layer polypropylene film as an in-mold label used in a blow molding methods. According to the invention, the label film is laid inside the hollow mold of a blow molding machine, comprises an inner protective layer that faces the receptacle to be molded, and comprises an outer protective layer that is in contact with the hollow mold, whereby the inner protective layer has a roughness Rz of at least 3.5 μm.