Method of lining innner wall surfaces of hollow articles

Details Method of lining innner wall surfaces of hollow articles Method of lining innner wall surfaces of hollow articles

B - Operations, Transporting

29

D

154/53.21

B29D 23/00 (2006.01) B23P 11/02 (2006.01) B29C 63/34 (2006.01) F16L 58/02 (2006.01)

Patent

CA 1158140

ABSTRACT OF THE DISCLOSURE The inner surface of a hollow article of special shape such as a pipe elbow or bellows is lined with a tightly fitted protective lining material by the steps of emplacing the lining material within the hollow article to confront the inner surface thereof, causing the temperature of the hollow article to be higher than that of the lining material, applying an expanding force to the lining material thereby to cause it to undergo plastic expansion together with the hollow article, removing the expanding force, and causing the temperature of the hollow structure to become lower than that of the lining material thereby to produce a tight fit there- between due to interference.

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