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. 28, 2019
Filed:
Nov. 21, 2013
Illinois Tool Works Inc., Glenview, IL (US);
Hong Chuan Liao, Shanghai, CN;
Chris Benson, Addison, IL (US);
Yong Liang, Shanghai, CN;
Tom Carlson, Addison, IL (US);
ILLINOIS TOOL WORKS INC., Glenview, IL (US);
Abstract
The present invention provides an insulation film, comprising a film upper layer () and a film lower layer (), wherein both of the film upper layer () and film lower layer () are made of a PP material, the PP material contains a flame retardant to meet the flame retardance thereof; a film intermediate layer () located between the film upper layer () and the film lower layer (), the film intermediate layer () is made of a PP or PE material does not contain a flame retardant or contains a small amount of flame retardant; an upper surface of the film intermediate layer () is bound together with a lower surface of the film upper layer (), a lower surface of the film intermediate layer () is bound together with an upper surface of the film lower layer ().