Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-02-02
1991-08-20
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156245, 156252, 156381, 156475, 156518, 53478, 215232, B65B 714
Patent
active
050411802
ABSTRACT:
A method and a device for seaming the end of a tube. In the method, the shell of the tube is placed onto the shoulder of the end piece, a sleeve ring is placed where the joint is to be produced, and the seaming is effected by smelting in a seaming element a plastic layer provided on the sleeve ring, tube shell and/or end piece. The invention is so implemented that the sleeve is formed from a foil band supplied into a tube end seaming unit in such a way that the sleeve or its central part is not yet detached from the band, the sleeve is moved along with the band into the seaming unit, where the sleeve is first detached from the band by the seaming element, whereupon the sleeve is moved onto the orifice of the tube end piece, the central part of the sleeve is cut off and forms a sealing cover on the orifice, and the ring-shaped sleeve thus produced is moved onto the shoulder of the tube end piece, where it is pressed against the end piece shoulder and the end of the tube shell to cover the joint between them, whereupon the seaming element is heated to join the sleeve ring with the shoulder of the end piece while the central part of the sleeve is joined with the edges of the end piece orifice to produce a sealing cover on it.
REFERENCES:
patent: 3700513 (1972-10-01), Haberhauer et al.
patent: 3962006 (1976-06-01), Saito et al.
patent: 4132331 (1979-01-01), Magerle
patent: 4448829 (1984-05-01), Kohler
patent: 4568001 (1986-02-01), Sander
patent: 4750642 (1988-06-01), Eckstein et al.
patent: 4792061 (1988-12-01), Nisida
patent: 4961796 (1990-10-01), Perrin et al.
Ball Michael W.
Dreger Walter H.
Makilaakso Oy
Osele Mark A.
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