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AbstractAbstract
[en] The welding of pipes can be eliminated from many applications where steel pipes need to be joined. This is the claim made for the recently launched Morgrip flange. The Morgrip flange incorporates rings of spring-loaded ball bearings which bite into the pipes to be joined when the flange bolts are tightened. Independent tests have shown that the tear-shaped bites made by the ball bearings do not affect the integrity of the pipe, while the connection can be designed to be stronger than the pipe in axial tension, bending and torsion. The flange is also more compact than other types of mechanical coupling. (author)
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Journal Article
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Sullivan, A.
British Nuclear Fuels Ltd., Risley1988
British Nuclear Fuels Ltd., Risley1988
AbstractAbstract
[en] A means for locating a welding torch when welding pipework is described. An inner guide is adapted to be secured on the pipework at a predetermined position. It carries an outer two-part ring which carries a holder for the torch and which is freely rotatable on the inner guide about the axis of the pipework. A removable compartment can be provided to enclose the apparatus and to serve as a shield for the weld zone. (author)
Primary Subject
Source
13 Apr 1988; 6 Oct 1986; 4 p; GB PATENT DOCUMENT 2195570/A/; GB PATENT APPLICATION 8623966; Available from The Patent Office, 25 Southampton Buildings, London, WC2A 1AY; Application date: 6 Oct 1986
Record Type
Patent
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AbstractAbstract
No abstract available
Original Title
Self-propelled vehicle carrying a radiation source inside the pipe
Primary Subject
Source
9 Oct 1973; 8 p; US PATENT DOCUMENT 3,764,806
Record Type
Patent
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AbstractAbstract
No abstract available
Original Title
Perenosnye avtomaty TAM dlya svarki nepovorotnykh stykov trub vol'framovym ehlektrodom s prisadkoj
Primary Subject
Source
For English translation see the journal Weld. Prod.
Record Type
Journal Article
Journal
Svarochnoe Proizvodstvo; v(no.1); p. 45-46
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Johnson, R.L.
Westinghouse Research Labs., Pittsburgh, Pa. (USA)1971
Westinghouse Research Labs., Pittsburgh, Pa. (USA)1971
AbstractAbstract
No abstract available
Primary Subject
Source
Sep 1971; 106 p; For Oak Ridge National Lab., Tenn.
Record Type
Report
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Schultz, J.C.; Laurent, M.
Compagnie Generale des Matieres Nucleaires (COGEMA), 78 - Velizy-Villacoublay (France)1993
Compagnie Generale des Matieres Nucleaires (COGEMA), 78 - Velizy-Villacoublay (France)1993
AbstractAbstract
[en] The tool comprises a sleeve which is placed around the end of the damaged tube, the rod of a gauged punch is introduced inside the sleeve and hammered in the tube to repair. The tool is specially designed for male pipe joints handled with manipulators and used inside leak proof enclosures, for toxic or radioactive materials, to distribute fluids
Original Title
Outillage de remise en etat de l'extremite d'un tube et son procede d'utilisation
Primary Subject
Source
30 Apr 1993; 28 Oct 1991; 13 p; FR PATENT DOCUMENT 2682897/A/; FR PATENT APPLICATION 9113251; Available from Institut National de la Propriete Industrielle, Paris (France); Application date: 28 Oct 1991
Record Type
Patent
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AbstractAbstract
No abstract available
Primary Subject
Source
1970; 7 p; Manufacturers Standardization Society; Arlington, VA; ICONS--01804
Record Type
Book
Literature Type
Standard
Country of publication
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Leichsenring, C.; Kunz, G.
Gesellschaft fuer Kernforschung m.b.H., Karlsruhe (F.R. Germany)1974
Gesellschaft fuer Kernforschung m.b.H., Karlsruhe (F.R. Germany)1974
AbstractAbstract
[en] The connecting pipes, e.g. from box to box, consist of double tubes, with radioactive liquids like plutonium or transuranium solutions or gases transported in the inner tube. The coupling resp. the connecting piece to a containment with the outer flange for such a double tube consists of two outer clutch parts, locking piece, slide jacket, inner flange, and a nut that is fastened, e.g., to the containment. The clutch parts have a centric free passage for the inner tube penetrating the entire clutch from the outer tube to the containment. In it a two-piece stopper is inserted. Its joint face lies in the plane of the joint faces of the clutch. Each of the stopper pieces has a soft sealing on the front end. With a pressure spring or a screw bolt, a radial sealing force is applied to these sealings. Another pressure spring applies an axial sealing force to the front surfaces of the sealings against one another. (DG)
[de]
Die Verbindungsleitungen, z.B. von Box zu Box, bestehen aus Doppelschlaeuchen, in deren innerem Schlauch radioaktive Fluessigkeiten wie Plutonium- oder Transuranloesungen oder Gase transportiert werden. Die Kupplung bzw. das Anschlussorgan fuer einen solchen Doppelschlauch an ein Containment besteht aus zwei aeusseren Kupplungsteilen mit aeusserem Flansch, Verriegelungsstueck, Verschiebehuelse, dem inneren Flansch sowie einer Mutter, die z.B. am Containment befestigt ist. Diese Kupplungsteile weisen einen zentrischen, freien Durchgang fuer den inneren Schlauch auf, der die gesamte Kupplung vom aeusseren Schlauch bis ins Containment durchsetzt. In ihm ist ein zweiteiliger Stopfen eingeschoben. Seine Trennflaeche liegt in der Ebene der Trennflaechen der Kupplung. Stirnseitig ist auf den jeweiligen Teilstopfen eine Weichdichtung aufgesetzt. Mit einer Druckfeder bzw. einem Schraubenbolzen wird auf diese Dichtung eine radiale Dichtungskraft ausgeuebt. Eine weitere Druckfeder uebt eine axiale Dichtungskraft auf die Stirnflaechen der Dichtungen gegeneinander aus. (DG)Original Title
Kupplung zum loesbaren Anschluss eines ineinanderliegenden Doppelschlauchsystemes an ein geschlossenes Containment
Primary Subject
Source
6 Jun 1974; 11 p; DE PATENT DOCUMENT 2259429/A/; 4 figs.
Record Type
Patent
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AbstractAbstract
No abstract available
Original Title
Installatie voor het scheiden van een gasmengsel of een mengsel van gasvormige isotopen
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Secondary Subject
Source
9 Jun 1972; 4 p; NL PATENT DOCUMENT 7207837; 2 figs.
Record Type
Patent
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AbstractAbstract
[en] A new type of pipe connector, in which 2 connical flanges are held together by a ring clamp operated by 1 or 2 screws, with characteristics of interest to nuclear engineers, is briefly described. (F.Q.)
Original Title
Schnellschluss-Flanschverbindungen
Primary Subject
Record Type
Journal Article
Journal
Technische Rundschau; ISSN 0040-148X;
; v. 73(41); p. 23

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