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:
Feb. 05, 2019
Filed:
Jul. 22, 2009
Johann S. Burz, Germaringen, DE;
Achim Biener, Aufkirchen, DE;
Johannes Nickol, München, DE;
Bernd Lang, Gräfelfing, DE;
Johann S. Burz, Germaringen, DE;
Achim Biener, Aufkirchen, DE;
Johannes Nickol, München, DE;
Bernd Lang, Gräfelfing, DE;
ResMed R&D Germany GmbH, Martinsried, DE;
Abstract
The present invention is related to a cushion () for a respiratory mask, to a method of manufacturing such a cushion () as well as to a respiratory mask including a cushion () and an apparatus for manufacturing a cushion () for a respiratory mask. It is particularly referred to a method of manufacturing a cushion () for a respiratory mask, comprising the steps of providing a mold comprising at least two mold halves () and at least one core () therein, closing the mold, injecting a first material into the mold to form the cushion (), wherein the core () is enclosed by the cushion () thereby forming at least one cavity (), opening the mold, removing the core () from the cushion () to provide the at least one cavity within the cushion (), and sealing the cavity ().