Device for sealing foil covers onto containers, particularly pla

Details Device for sealing foil covers onto containers, particularly pla Device for sealing foil covers onto containers, particularly pla

1988-05-09

1990-06-05

Larson, Lowell A.

Package making

Closing packages and filled receptacles

Separate closure applying

53367, 1565831, B65B 728

Patent

active

049302884

ABSTRACT:
The invention relates to an improved sealing head for sealing a cover made of a foil material onto a packaging container, in particular a plastic cup. The sealing operation is carried out by means of a heatable sealing head. This sealing head includes an insulating body which provides for the compensation of form and position deviation between the sealing head and the plastic cups which are to be sealed. This insulating body simultaneously provides for the thermal insulation between the sealing head, on the one hand, and the drive arrangement, on the other hand. Thereby a flaw-free sealing is achieved and any down-times due to malfunctioning of the arrangement are substantially reduced.

REFERENCES:
patent: 3243934 (1962-08-01), Kinney
patent: 3248851 (1962-10-01), Ford
patent: 3452513 (1969-07-01), Owens
patent: 3729897 (1971-08-01), Howe
patent: 3946650 (1976-03-01), Solberg et al.
patent: 4282699 (1981-08-01), Embro
patent: 4297161 (1981-10-01), Graffin
patent: 4707213 (1987-11-01), Mohr et al.

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