Device for indicating the presence of a gasket

Details Device for indicating the presence of a gasket Device for indicating the presence of a gasket

1976-09-16

1977-09-06

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277DIG2, F16J 1500

Patent

active

040463877

ABSTRACT:
A plastic pipe system is provided with a device for indicating the presence of a gasket after final system installation. The pipe system preferably is constructed from a suitable plastic material, and includes a first pipe and a second pipe, the second being formed to receive an end of the first pipe along a connection part formed in the pipe. The connection part includes a receptacle sized to receive a suitable gasket. The gasket is inserted in the receptacle and provides a fluid seal between the two pipe ends. The second pipe has an opening formed in a side wall of the pipe defining the gasket receiving receptacle, and an indicator tab is placed through the opening. The tab preferably is attached to or integrally formed with the gasket, and aids in ensuring proper positioning of the gasket in the receptacle. After insertion, the tab permits easy visual inspection of the pipe system, enabling verification of actual gasket presence in the pipe system.

REFERENCES:
patent: 3573871 (1971-04-01), Warner

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