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:
Jun. 02, 2020
Filed:
May. 05, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Pingfan Wu, Woodbury, MN (US);
Lianzhou Chen, Woodbury, MN (US);
Fredrick W. Vance, Westfield, IN (US);
Edward E. Cole, Woodbury, MN (US);
Charles W. Hedley, Danville, IN (US);
Gregory L. Simon, Bloomington, IN (US);
Michael C. Martin, Hudson, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A sound and heat insulating blanket is presented comprising: a) a first layer of fabric comprising first fibers; and b) a first sound barrier film comprising a first rubber; wherein the first layer of fabric and first sound barrier film are bound together through a first interpenetrated binding layer wherein the first rubber of the first sound barrier film is interpenetrated by the first fibers of the first layer of fabric; and optionally c) a second layer of fabric comprising second fibers; wherein the second layer of fabric and first sound barrier film are bound together through a second interpenetrated binding layer wherein the first cured composition of the first sound barrier film is interpenetrated by the second fibers of the second layer of fabric. Typically, the sound and heat insulating blanket comprises no adhesive binding the first and second layers of fabric and the sound barrier film.