Inplace gasket belling method and apparatus

Details Inplace gasket belling method and apparatus Inplace gasket belling method and apparatus

1978-10-23

1980-06-10

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29235, B23P 1102, B23P 1902

Patent

active

042065380

ABSTRACT:
An inplace gasket belling machine for belling one end portion of a plastic pipe and inserting a gasket therein includes a preliminary mandrel and a primary mandrel. The preliminary mandrel has a pipe expanding portion disposed forwardly of a belling sleeve carrying portion whereby upon advancement of the preliminary mandrel, the belling sleeve is carried into the expanded pipe end portion. The primary mandrel has a gasket carrying portion and a gasket positioning sleeve slidable thereon whereby upon retraction of the preliminary mandrel from the belling sleeve and insertion of the primary mandrel therein, a gasket is positioned within the expanded pipe end portion. Upon retraction of the belling sleeve from the pipe end portion and retraction of the gasket positioning sleeve independently of the gasket carrying portion, the pipe end portion is collapsed onto the gasket carrying portion prior to retraction of the primary mandrel from the completed pipe end portion.

REFERENCES:
patent: 2962803 (1960-12-01), Jones
patent: 3010194 (1961-11-01), Fratzke
patent: 3286332 (1966-11-01), Wilson
patent: 3520047 (1970-07-01), Muhlner et al.
patent: 3887992 (1975-06-01), Parmann

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