Method of plugging a hole in an object

Details Method of plugging a hole in an object Method of plugging a hole in an object

1983-11-07

1986-04-29

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29235, 138 89, B23P 1102

Patent

active

045847550

ABSTRACT:
An apparatus and method of sealing or plugging a hole in an object, such as a coolant passage in an injection molding die. The plug includes a flexible, hollow cylindrical sleeve and a core member longitudinally interengageable into the sleeve. The core member is slightly larger than the bore of the sleeve and when drawn into the sleeve expands it to fill the hole and secure the plug. The plug may be used either internally as a diverting plug or externally as a sealing plug. The inserting tool is designed to position the plug in the hole as desired, and to interengage the core member into the sleeve. The plug is inserted into the hole with the sleeve and core member separate. Then the sleeve is supported in position and the core is interengaged into the sleeve.

REFERENCES:
patent: 3156373 (1964-11-01), Willis
patent: 3525365 (1970-08-01), Meulendyk et al.
patent: 3692059 (1972-09-01), Ice, Jr.
patent: 3929250 (1975-12-01), Abbate
patent: 4091841 (1978-05-01), Beneker et al.

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