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Class 217/104 - Flexible diaphragm


Subclass of Class 217 - Wooden receptacles
Definition: Subject matter in which the valve consists, essentially,
No. of patents: 1
Last issue date: 10/02/2001


NumberTitleIssue Date
6296136Obturator with improved retention in a metal sheet aperture
An obturator for an aperture (8) produced in a metal sheet (9) has a central dome (1), a peripheral lip (3) and an annular part (3) extending between the dome (1) and the lip (2). The annular part (3) has a shoulder (4). The dome (1) is adapted to deform ... 		10/02/2001
 
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