Method and machine for producing blister packs

Details Method and machine for producing blister packs Method and machine for producing blister packs

2005-09-13

2005-09-13

Huynh, Louis K. (Department: 3721)

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

C053S559000, C264S235000

Reexamination Certificate

active

06941729

ABSTRACT:
A machine (M) for producing blister packs (10) includes unrolling means (3,7,21) for unrolling a band of heat-formable material from a bobbin (2) and for feeding the band (1) along a predetermined path (P) extending through subsequent stations (5,6,30,8,9,13), in which the band (1) is processed. The above-mentioned stations include a heating station (5), where the band (1) of heat-formable material is heated, a forming station (6), where a plurality of blisters (20) are formed on the band (1), a filling station (8), where the blisters (20) are filled with products, a sealing station (9), where the blister band (1a) is closed with a sealing band (11), and a cutting station (13), where the closed blister band (1ac) is cut into blister packs (10). A further heating station (30) is provided for heating the blister band (1a) along the path (P) upstream of the filling station (8), so as to heat the band (1a) to cause a thermal stabilization treatment of the blister band (1a).

REFERENCES:
patent: 3808772 (1974-05-01), Turtschan
patent: 3851441 (1974-12-01), Marchand
patent: 4506495 (1985-03-01), Romagnoli
patent: 4627221 (1986-12-01), Buchner
patent: 4750318 (1988-06-01), Matsuzawa
patent: 5192484 (1993-03-01), Matuzawa et al.
patent: 5201163 (1993-04-01), Reil et al.

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