Grasping device for a rod insertable into and withdrawable from

Details Grasping device for a rod insertable into and withdrawable from Grasping device for a rod insertable into and withdrawable from

1984-10-29

1986-05-20

Andrews, Melvyn J.

Metallurgical apparatus

Means sealing or opening aperture in vessel

266 45, C21C 548

Patent

active

045896364

ABSTRACT:
A housing of the grasping device is connected by way of a headpiece with a taphole drilling machine equipped with a counterblow hammer. A clamping mechanism which can be coupled in a force-locking fashion in the housing of the grasping device with the smooth-round end of the tapping rod by means of an operating device is provided, this mechanism being in operative connection with an installation enhancing the clamping force upon an increase in tensile force at the tapping rod. The clamping mechanism can be, for example, a tilting disk surrounding the smooth-round end of the tapping rod with a bore and being in operative connection on one side with a stop fixedly connected to the housing of the grasping device, this stop converting the tensile force at the tapping rod into a tilting moment at the tilting disk so that the clamping force is enhanced.

REFERENCES:
patent: 849623 (1907-04-01), Killian
patent: 1782701 (1930-11-01), Tuck
patent: 4418894 (1983-12-01), Mailliet

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