Package making – Methods – Conforming by stretching or shrinking of cover over contents
Patent
1993-05-17
1995-03-28
Johnson, Linda B.
Package making
Methods
Conforming by stretching or shrinking of cover over contents
53557, 34 60, 34 68, 34216, 34217, 34225, B65B 5304, B65B 5306
Patent
active
054005701
ABSTRACT:
An apparatus for heat shrinking an envelope of heat shrinkable film into close conformity to a product enclosed within the film envelope includes a housing; a first assembly disposed within the housing for directed heated air to at least a first portion of the film envelope; a second assembly disposed with the housing and operable subsequent to the first assembly for directing heated water onto at least a second portion of the envelope, both causing the envelope to shrink into conformity with the product; an arrangement for drying the product after water has been applied thereto; and an arrangement for circulating the hot water into heat transfer relation with a moving stream of the hot air for enhanced water heating prior to its application to the product.
REFERENCES:
patent: 2906627 (1959-09-01), Payton et al.
patent: 3120728 (1964-02-01), Snow et al.
patent: 3222800 (1965-12-01), Siegel et al.
patent: 3309835 (1967-03-01), Peppler
patent: 3312811 (1967-04-01), Shanklin
patent: 3349502 (1967-10-01), Kiefer
patent: 3399506 (1968-09-01), Howe, Jr.
patent: 3616546 (1971-11-01), Billingsley et al.
patent: 3673703 (1972-07-01), Wieligmann
patent: 3678244 (1972-07-01), Worline
patent: 3727324 (1973-04-01), Melgaard
patent: 3744146 (1973-07-01), Nichols
patent: 3869844 (1975-03-01), Edouard
patent: 3889394 (1975-06-01), Fischer
patent: 4066866 (1978-01-01), Fresnel
patent: 4738082 (1988-04-01), Saitoh
patent: 4821428 (1989-04-01), Good
patent: 5062217 (1991-11-01), Tolson
patent: 5193290 (1993-03-01), Tolson
LandOfFree
Method and apparatus for heat shrinking film around a product does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for heat shrinking film around a product, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for heat shrinking film around a product will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2242831