Method of manufacturing tubular elements

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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156250, 156294, 264159, 264263, 264163, 264274, 264248, 264279, 285 22, 285284, 285 23, 285423, B32B 3100, B29C 1900

Patent

active

040090663

ABSTRACT:
The opposite ends of at least one pair of tubular members, for instance steel tubes, are closed by inserts which have radial portions overlying end faces about the open ends of the tubular members. The tubular members are then axially aligned with each other while maintaining the radial portions of the inserts spaced from each other, whereafter the tubular members and the spacing therebetween are covered with a jacket of plastic material. Subsequently thereto, the jacket is severed intermediate the annular portions of the inserts to thereby obtain two discrete tubular elements.

REFERENCES:
patent: 1210842 (1917-01-01), Rickman
patent: 2125324 (1938-08-01), Williams et al.
patent: 2409865 (1946-10-01), Jewell
patent: 2966373 (1960-12-01), Yount
patent: 3048913 (1962-08-01), Ball
patent: 3776993 (1973-12-01), Lachenmayer

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