B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
222/54, 190/81
B65D 1/40 (2006.01)
Patent
CA 1251409
COMBINED SEALING GASKET AND PROTECTIVE COATING FOR AEROSOL VALVE MOUNTING CUP OR CLOSURE ABSTRACT OF THE DISCLOSURE A combined sealing gasket and protective coating is disclosed for an aerosol valve mounting cup or a closure for a container. The mounting cup or closure is fabricated with a peripheral mounting rim for providing a sealing engagement with a sealing bead of the container. The improvement comprises a resilient plastic material applied to the entire interior surface of the mounting cup or closure to extend throughout the surface area of the mounting rim to form a gasket thereby. The remainder of the plastic material provides a protective coating for the interior surface of the mounting cup or closure from the product internal the container. The plastic material is fused to the mounting cup or closure by a heating process applied concurrently or subsequent to the application of the plastic material. The invention also includes the method of making the combined sealing gasket and protective coating for the mounting cup or closure.
436056
Marks & Clerk
Seaquist Valve Company A. Division Of Pittway Corporation
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