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:
Apr. 05, 1977
Filed:
Apr. 01, 1975
Helmut Schaefer, Cerro Maggiore, IT;
Other;
Abstract
A layer composition, which may be used for making shoes, upholstery or the like, comprising a carrier layer and a cover layer adhering thereto. The cover layer essentially consists of a synthetic resin material which bubbles are imbedded. The shells of the bubbles consists of a thermoplastic synthetic resin material other than the material of the cover layer. Preferably the shell of the bubbles consists of an elastic copolymer of polyvinylidene chloride and/or of a copolymer of polyvinyl chloride. The bubbles are bonded to the material of the cover layer and have hollow cores containing a gas, preferably air. The volume of the hollow cores amounts to at least 25%, preferably 50 to 85%, of the total volume of the cover layer.