E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
20/105, 18/41
E04D 13/068 (2006.01)
Patent
CA 1193824
TITLE: SEALING SYSTEM FOR EAVESTROUGHING ABSTRACT OF THE DISCLOSURE The present application discloses a method of molding a gasket on a plastic eavestrough connector comprising the steps of heating a flexible plastic material to a molten state and pressurizing molten plastic material for injection into a mold; locating and supporting a plastic eavestrough connector for receiving the molten plastic material: positioning a male mold component for movement between a clear position and a fill position within a located connector; injecting the molten plastic material under pressure into cavities defined by the male mold in the fill position and such located connector; maintaining the temperature of the injected material above approximately 250 degree fahrenheit until the cavities have been filled cooling the injected molded material and connector to a temperature below the set temperature of the flexible plastic material; moving the male mold to a clear position and ejecting the connector with the formed gasket thereon. The male mold includes a number of channels defining in combination with a connector the shape of the gasket. In particular, an eavestrough connector having a molded gasket thereon is taught which utlizes three sealing ribs which each provide a wiper like seal with a received portion of eavestroughing. The fitting has a body having an interior surface in the shape for receiving the eavestrough, a gasket on the interior surface of the body having a thin base portion and a pair of generally parallel sealing ribs extending therefrom and of reducing cross section and an intermediate distribution rib of reduced thickness relative to the sealing ribs.
438598
Gsw Inc.
Johnson Douglas S. Q.c.
LandOfFree
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