Package making – With cover-adjunct application or formation – Adjunct comprising provision to allow access to contents,...
Reexamination Certificate
2005-05-17
2005-05-17
Kim, Eugene (Department: 3721)
Package making
With cover-adjunct application or formation
Adjunct comprising provision to allow access to contents,...
C053S133200
Reexamination Certificate
active
06892508
ABSTRACT:
An apparatus and method for securing a pour spout fitment to a panel of a filled and sealed thermoplastic-coated carton, wherein a machine10is mounted over a conveyor12conveying a line of cartons. Within the machine10,a selected panel surface of each filled and sealed carton is heated to a predetermined temperature; next, at least an annular surface of a flange of the fitment is heated to a predetermined temperature. When the heated surface of the fitment is applied to the heated surface of the carton, the heat energy is transferred to the latter surface to an extent capable of activating the thermoplastic coating thereon. Upon pressing and cooling, the fitment and the carton surface are bonded together, without the need for a back-up or support mechanism, such as a mandrel or anvil. Alternatively, the fitment may be secured to the carton by way of a jetted-on, circular bead of hot melt adhesive.
REFERENCES:
patent: 4507168 (1985-03-01), Konaka
patent: 5296075 (1994-03-01), Hardigg et al.
patent: 5473857 (1995-12-01), Keeler
patent: 6378271 (2002-04-01), Skinner et al.
Rochelle Robert E.
Skinner Edward Albert
Weber John A.
Elopak Systems AG
Kim Eugene
Reising Ethington Barnes Kisselle P.C.
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