Apparatus and methods for securing articles to containers

Details Apparatus and methods for securing articles to containers Apparatus and methods for securing articles to containers

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.

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