Title: Method of preparing a support

Abstract: A support and a process for preparing the support are disclosed. The support includes a metal pipe having two ends, a pair of plugs and a covering tube. The plugs are positioned in each end of the metal pipe and are formed from a thermoplastic resin. The plugs each include an outer portion having an outside diameter that is equal to the outside diameter of the metal pipe. The covering tube is formed from a thermoplastic resin that is compatible with the thermoplastic resin forming the plugs. The covering tube covers and closely contacts the entire outer surface of both the metal pipe and the outer portions of the plugs.

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Other info:

Inventors: Maekawa, Minoru (Yokohama, JP)
Kurobe, Makoto (Mito, JP)

Application Number: 861556
Filing Date: 1977-12-16
Publication_date: 1979-02-06
Assignee: Sekisui Jushi Kabushiki Kaisha (Osaka, JP)
Primary Class(es): 29/411 29/417, 29/429, 29/451, 29/460, 29/525, 47/47
Other Classes:
US Patent Ref:

3095641	Jul, 1963	Siegel	29/411.
3109231	Nov, 1963	Johnson	29/411.
3241224	Mar, 1966	Banister et al.	29/429.
3368271	Feb, 1968	Scheffler	29/411.
3530565	Sep, 1970	Lanza et al.	29/429.
3550269	Dec, 1970	Yatabe et al.	29/460.
3733677	May, 1973	Laeffler et al.	29/411.
3740811	Jun, 1973	Kozusnik	29/417.
3829958	Aug, 1974	Roseby	29/460.

Other Refs:
Primary Examiner: Moon, Charlie T.
Assistant Examiner:
Attorney: Armstrong, Nikaido, Marmelstein & Kubovcik