Sealing plug for apertures

Details Sealing plug for apertures Sealing plug for apertures

1992-05-11

1994-07-12

Coe, Philip R.

Pipes and tubular conduits

With closures and plugs

Inflation stem type

138 92, 217110, 220DIG19, F16L 5511

Patent

active

053279425

ABSTRACT:
A resilient plug for sealing drilled holes in a solid surface to prevent the discharge from the hole of fluids or chemicals. The plug is of tubular shape and has a flat top surface and a tubular side wall from which a plurality of sealing ribs project to engage the side wall of a drilled hole. The ribs prevent the passage of fluids or chemicals from the hole.

REFERENCES:
patent: 220773 (1879-10-01), Stewart
patent: 2196785 (1940-04-01), Takiguchi
patent: 2886203 (1959-05-01), Goll
patent: 2950835 (1960-08-01), Alvear
patent: 3578027 (1971-05-01), Zopfi

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