Johannes NICKOL,Jens ROTHFUSS,Sebastian BURZ,Robert EIBL,Bernd LANG
申请号：
US13963073
公开号：
US20140044905A1
申请日:
2013.08.09
申请国别(地区):
US
年份:
2014
代理人:
摘要：
The present invention provides a method for producing a filled hollow structure, preferably a cushion for a breathing mask. According to said method, a hollow structure of a first material having a cavity is produced, wherein the hollow structure has an inlet to and an outlet from the cavity. The hollow structure is positioned on a tool for holding the hollow structure. Subsequently a second material is inserted through the inlet into the cavity, while gas present in the cavity can escape through the outlet. Finally, the inlet and/or the outlet is sealed. During the step of inserting the second material through the inlet into the cavity the outlet resists flow of said second material.
