Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1984-04-09
1985-11-19
Pollard, Steven M.
Receptacles
Outlet or junction box type
Sectional receptacle
220266, 220274, B65D 1720
Patent
active
045536821
ABSTRACT:
Disclosed is a bonded can of the key-opening type comprising a coated metal blank and a seam formed by lap-bonding outer and inner end edge portions of the coated metal blank to each other by a tape of a thermoplastic resin adhesive, wherein the adhesive is a polyamide type or polyester type adhesive, the inner end edge portion forming the seam of the bonded can is completely covered with the adhesive tape, the outer edge portion has a winding-starting tongue piece integrated therewith, a plurality of scores are formed on the outer surface of the coated metal blank from the base of the tongue piece along the entire circumference inclusive of the seam, the scores have a knife angle of 45.degree. to 120.degree. and a depth corresponding to 8 to 45% of the thickness of the metal blank, a coating of an epoxy resin having a thermal softening point of 65.degree. to 150.degree. C. as measured according to the thermomechanical method is formed at least at the seam-forming part on the outer surface and said epoxy resin coating forms a continuous layer adhering closely to the metal blank even in the portion of said scores.
REFERENCES:
patent: 3437063 (1969-04-01), Battersby
patent: 3819085 (1974-06-01), Rehowetz
patent: 3838787 (1974-10-01), McCloskey
patent: 4033474 (1977-07-01), Rentmeester
patent: 4382525 (1983-05-01), Kobayashi et al.
Kobayashi Seishichi
Nakazato Seiichi
Nunokawa Atsushi
Tsurumaru Michiko
Ueno Hiroshi
Pollard Steven M.
Toyo Seikan Kaisha Ltd.
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