Method for removing elements from bore of cross-head die body

Details Method for removing elements from bore of cross-head die body Method for removing elements from bore of cross-head die body

1994-06-10

1996-08-13

Warden, Robert J.

Metal working

Method of mechanical manufacture

Disassembling

118404, 118405, 425113, 425114, 4251331, 425192R, B23P 1900, B05C 302, A23G 122

Patent

active

055444032

ABSTRACT:
A cross-head die for applying a coating layer to a filamentary member, e.g., plastic insulation to an electrical wire, includes a die body with an axial bore in which a tip holder is removably positioned with tapered surfaces of the holder in engagement with like-tapered surfaces of the bore. The holder is maintained in position by a lock nut on a threaded portion of the holder extending out of the die body. In order to assist in removal of the tip holder, an auxiliary nut, engageable with the threads on the tip holder, is provided. The threads on the collar and lock nut are right-hand, while those on the tip holder and auxiliary nut are left-hand, or vice versa. In order to remove the tip holder, the lock nut is backed off a few turns and the auxiliary nut is threaded on the tip holder until it engages the lock nut. As torque is applied to the auxiliary nut an axial force is exerted on the tip holder, pulling it free of the body bore and permitting its easy removal after both nuts are removed.

REFERENCES:
patent: 3947173 (1976-03-01), Dougherty
patent: 4165957 (1979-08-01), Kertscher
patent: 5108683 (1992-04-01), Anand
patent: 5316583 (1994-05-01), Milliman
patent: 5358570 (1994-10-01), Drawbaugh

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