专利检索_ 不可拆卸的管接头如软焊粘接或嵌塞接头专利检索_ 不可拆卸的管接头如软焊粘接或嵌塞接头专利检索查询

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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
181	Raccord pour tuyau	EP81810212.1	1981-06-01	EP0066033A1	1982-12-08	Mattes, Rolf
Ce raccord comprend une pièce réceptrice (1) pourvue d'autant d'évidements (2) qu'il y a de tuyaux à raccorder et des bagues (11) en nombre correspondant. Les évidements (2) sont coniques et se prolongent d'une partie (3) dont le fond sert de butée (4), de préférence oblique pour le tuyau. La partie conique (2) porte des bossages en dents de scie (5). Les bagues (11) ont un prolongement annulaire (12), intérieurement droit, extérieurement en forme de cône dont la surface porte également des bossages en dents de scie (13). Elles viennent s'insérer dans les évidements (2) contre les tuyaux, les dents de scie (5, 13) s'opposant à leur retrait, ainsi qu'à celui des tuyaux. Application au raccordement des tuyaux en plastique, notamment armés, et en général pour le transport basse pression (moins de 5 bars) à des températures supérieures à 80°C par exemple. Ils sont résistants à la corrosion et absorbent bien les bruits et les chocs.
182	METHOD AND COUPLER FOR JOINING POLYMERIC TUBULAR OBJECTS	PCT/US2013047305	2013-06-24	WO2014008022A4	2014-02-27	DYKSTERHOUSE JOEL A; GORDON EDWARD J
The specification discloses a method and a coupler for joining polymeric tubular objects, such as pipe. The coupler includes (a) a rigid, electromagnetically inductive carrier, (b) a temperature-responsive expandable material on the carrier, and (c) a polymeric material on the expandable material. The method includes the steps of (a) inserting the coupler into the ends of two adjacent polymeric tubular objects, (b) creating an electromagnetic field about the coupler causing the carrier to heat, in turn causing the expandable material to expand and force the polymeric material against the tubular objects, and further in turn causing the polymeric material to melt, soften, or liquefy, and (c) terminating the electromagnetic field allowing the polymeric material to cure or solidify to bond to the tubular objects
183	CONNECTOR	PCT/GB2008001363	2008-04-18	WO2008129261A3	2008-12-11	TONKIN MARK CHRISTOPHER; WATSON REBECCA
A connection system (100) comprises a connector (101) and a pipe (102). The pipe (101) is made from a hydrophilic membrane capable of pervaporating brackish water or such like as substantially pure water, such as Dutyion . One feature of this material is that it expands significantly as it hydrates. The pipe (102) is generally cylindrical, but it is corrugated along its length, with roughly regular ridges (103) and grooves (104). The connector (101) has a side wall (106) defining a substantially cylindrical cavity (107). The inside surface (108) of the cavity (107) is corrugated in the similar way to the pipe (102). When the pipe (102) is in a dehydrated state, the cavity (107) of the connector (101) has a maximum diameter D greater than the maximum diameter B of the pipe (102) and a minimum diameter C less than the maximum diameter B of the pipe (102). The pipe (102) can be inserted in the cavity (107) of the connector in a dehydrated state. When the system (100) then carries water, the pipe (102) hydrates, which causes the pipe (102) to expand and its diameter to increase. This means that the ridges (103) of the pipe (102) expand into the grooves (110) of the cavity (107) and the pipe (102) fits more tightly into the cavity (107) and the seal between the pipe (102) and the cavity (107) is improved.
184	PIPE-JOINING METHOD AND APPARATUS FOR PRODUCING UNDERWATER PIPELINES, AND UNDERWATER-PIPELINE-LAYING VESSEL COMPRISING SUCH AN APPARATUS	PCT/EP2007063903	2007-12-13	WO2008071773A2	2008-06-19	CITTADINI BELLINI SERAFINO
A method of joining pipes (3) to produce underwater pipelines (2), wherein the facing free ends (15) of two adjacent pipes (3), aligned along an axis (A), are welded to define a cutback (18); a protective sheet (22) of plastic material is extruded close to the cutback (18); and the protective sheet (22) is wound about the cutback (18).

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