Pipes and tubular conduits – With closures and plugs – Lateral opening
Patent
1988-08-23
1989-08-22
Bryant, III, James E.
Pipes and tubular conduits
With closures and plugs
Lateral opening
138 89, 220284, F16L 5510
Patent
active
048586528
ABSTRACT:
A plug for an opening providing an inspection X-ray source with access to pipework or to an apparatus made of a high strength steel alloy which is fragile in welding, the plug comprising an open ended cylindrical component (6) which is welded (8) to the wall of the pipework or the apparatus, and which projects therefrom, said component being made of the same steel as the pipework or the apparatus, and a second cylindrical component (9) for closing the bore through the first component. The second cylindrical component is fixed to the outer end of the first component and in line therewith by means of a butt weld (10).
REFERENCES:
patent: 1960557 (1934-05-01), Snyder
patent: 2073490 (1937-03-01), Lewin
patent: 2209975 (1940-08-01), Jacobus
patent: 2925992 (1960-02-01), Rickard
patent: 3225437 (1965-12-01), Stohr et al.
patent: 3945431 (1976-03-01), Straub
patent: 4079967 (1978-03-01), Schoesson
patent: 4203185 (1980-05-01), Beyer et al.
patent: 4335757 (1982-06-01), Lankston
patent: 4438784 (1984-03-01), Bobichon et al.
Bobichon Jacques
Hervouin Lucien
Vigneron Gilbert
Bryant III James E.
Societe Anonyme dite: Stein Industrie
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