Rotating sealant applicator

Details Rotating sealant applicator Rotating sealant applicator

1990-10-01

1992-02-11

Bell, Janyce

Coating processes

Interior of hollow article coating

Metal base

427230, 427355, 4274301, 427435, B65D 722

Patent

active

050874845

ABSTRACT:
This invention is an apparatus and method for applying sealant to a countersunk fastener hole. The apparatus comprises a sleeve, an adapter tube within the sleeve, a nozzle housing attached to the adapter tube, and a tip within the nozzle housing. A guide pin is attached to the adapter tube and follows an oblique slot in the sleeve. To operate, the sealant applicator is inserted into a countersunk fastener hole, engaging the tip with the countersink of the hole. The tip depresses into the nozzle housing, ejecting sealant onto the countersink. The adapter tube is pushed into the sleeve, moving the guide pin along the oblique slot in the sleeve. This guide pin movement rotates the adapter tube, nozzle housing and tip, causing the tip to uniformly spread the sealant around the countersink.

REFERENCES:
patent: 3904718 (1975-09-01), Kuehn
patent: 3956533 (1976-05-01), Weber et al.
patent: 3995074 (1976-11-01), Duffy et al.
patent: 4135476 (1979-01-01), Duryea
patent: 4144625 (1979-03-01), Hogenbout

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