Package making – Interrelated or safety controls
Patent
1977-01-14
1978-03-14
Spruill, Robert Louis
Package making
Interrelated or safety controls
53 48, 53159, 53196, 156561, B65B 1500, B65B 1702
Patent
active
040783570
ABSTRACT:
This invention relates to a novel method for detachably fastening cylindrical cans together in assembled relation which includes mounting a generally rectangular ring-like insert on a compressible pick-up member carried by a mandrel preparatory to applying an adhesive to the exterior insert surfaces, arranging the cans in groups of four or six defining an open rectangular array, inserting one or more mandrels carrying precoated inserts into the center of the array, closing the array so as to press the adhesive-coated portions of the inserts into concave engagement with the can walls as they compress the mandrel pick-ups, and withdrawing the mandrel once the adhesive has set. The invention also encompasses the apparatus for carrying out the foregoing method which includes a conveyor having provision for arranging and temporarily holding a group of four or more cans in spread array while adhesive-coated inserts are placed therebetween and then closing the array thereagainst to fasten the inserts thereto preparatory to stripping them from their mandrels. The apparatus also includes a rotating turret that carries several mandrels that move therewith to various positions and both rotate and reciprocate independently thereof. These mandrels receive the uncoated inserts, rotate them past a source of quick setting adhesive, extend the coated inserts into position between a spread array of cans from either the top or bottom or both, and retract leaving the insert in place between the cans once they have been moved together and the adhesive has set.
REFERENCES:
patent: 3096575 (1963-07-01), Cook
patent: 3206020 (1965-09-01), Billingsley et al.
patent: 3330402 (1967-07-01), Schlueter
patent: 3336723 (1967-08-01), De Shazor
Eco-Pak Corporation
Spangler, Jr. Edwin L.
Spruill Robert Louis
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