Diaphragm for pressure regulators and method of making

Details Diaphragm for pressure regulators and method of making Diaphragm for pressure regulators and method of making

F - Mech Eng,Light,Heat,Weapons

16

J

F16J 3/00 (2006.01) F16J 3/02 (2006.01)

Patent

CA 2102583

ABSTRACT OF THE DISCLOSURE A method of making and the product of the method in a diaphragm for use in a pressure regulator, or other similar uses, where leakage around the confined edges of the diaphragm must be avoided. The structure confining the edges of the diaphragm consists of a main housing body having a groove for receiving a rib or the outer periphery of the diaphragm and a secondary housing to clamp the periphery. The central portion of the diaphragm carries a top plate with a bottom groove to receive a rib on the central periphery of the diaphragm and a bottom disc to clamp the inner periphery. Diaphragms are made with a fabric sandwiched between flexible layers of material. This results in a flash edge which may cause wicking and prevents a proper seal in the grooves receiving the ribs. An angled trim on the peripheries allows a proper filling of the grooves and a leak proof seal.

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