Process for the treatment of a sealable film surface

Details Process for the treatment of a sealable film surface Process for the treatment of a sealable film surface

1996-03-14

1999-06-22

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Flame contact or reshaping by heat decomposition of work

2642112, 264345, B29C 5908

Patent

active

059140798

ABSTRACT:
In the treatment of a sealable film surface by means of a flame, a film is passed over a cooling roll (4). A burner (1) is mounted above this cooling roll (4). An unpolarized flame is produced by means of this burner (1). The film is cooled by means of the cooling roll (4) and, if required, by means of additional cooling apparatuses so that the temperature of the flame-treated film surface on leaving the cooling roll (4) is not more than 25.degree. C.

REFERENCES:
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patent: 2795820 (1957-06-01), Grow et al.
patent: 3145242 (1964-08-01), Bryan
patent: 3153683 (1964-10-01), Bryan et al.
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patent: 3361607 (1968-01-01), Bruno
patent: 3900538 (1975-08-01), Kawakami et al.
patent: 4255123 (1981-03-01), Bishilany, III et al.
patent: 4634373 (1987-01-01), Rattner
patent: 5560885 (1996-10-01), Murschall et al.
patent: 5573723 (1996-11-01), Peiffer et al.
Patent Abstracts of Japan, vol. 011, No. 098 (M-575), Mar. 27, 1987 & JP 61 246512 A (Matsushita Electric Ind Co Ltd), Nov. 1986.

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