Metal deforming – With cutting – By composite tool
Patent
1993-02-08
1994-04-12
Crane, Daniel C.
Metal deforming
With cutting
By composite tool
72409, 72413, 72473, 137318, B21D 2828
Patent
active
053015320
ABSTRACT:
The instant device serves to pierce and irrigate fluid filled tubing. It consists of an upper jaw and a lower jaw mounted on locking pliers. The upper jaw consists of an upper jaw mounting plate fastened to the upper jaw of the locking pliers and a piercing pin unit, along with a replaceable hollow press fit piercing pin held within such unit which piercing pin unit is held in the upper jaw mounting plate after the unit's insertion through a metallic washer locking cushion. The device's lower jaw consists of a lower jaw tube cradle component mounting plate fastened to the lower jaw of the locking pliers and further consists of a tube cradle component with eight cylindrically shaped notches for receipt of any one of six different sizes of cylindrically shaped tubing. The tube cradle component is held to the lower jaw tube cradle component mounting plate by way of a threaded retaining shoulder bolt. The tube cradle component is amenable to being so held from either of its ends and it can be rotated through 360 degrees and further held fast in any one of eight positions so that one of the eight cylindrically shaped receiving notches is aligned with the tip of the replaceable hollow press fit piercing pin by way of a springloaded detent screw that is insertable into a tapped hole in the lower jaw tube cradle component mounting plate and that further fits into any one of eight detent screw holes, four in the front face of the tube cradle component and four in its posterior face. A piece of tubing held in the receiving notch of desired diameter positioned in alignment with the tip of the press fit piercing pin, by way of appropriate rotation of the tube cradle component and then a fastening of the appropriate face of the tube cradle adjacent the front face of the lower jaw tube cradle component mounting plate, is pierced by the piercing pin protruding through a replaceable rubber sealing gasket affixed into a counterbore in the base of the upper jaw mounting plate.
REFERENCES:
patent: 1625064 (1927-04-01), Vello
patent: 2289637 (1942-07-01), Ernest
patent: 2762414 (1956-09-01), Demler
patent: 3395724 (1968-08-01), Hamel
patent: 3509905 (1970-05-01), Mullins
patent: 3698419 (1972-10-01), Tura
patent: 4955406 (1990-09-01), Antoniello
Bickmore Carl E.
Langlais Larry F.
Crane Daniel C.
Welch John J.
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