Method for removing elements from bore of cross-head die body
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United States of America Patent
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-
Aug 13, 1996
Grant Date -
N/A
app pub date -
Jun 10, 1994
filing date -
Jun 10, 1994
priority date (Note) -
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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.
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