Package making – Apparatus for contraction of cover by stretching or shrinking – By heat shrinking
Patent
1999-03-30
2000-08-08
Vo, Peter
Package making
Apparatus for contraction of cover by stretching or shrinking
By heat shrinking
53 77, B65B 5302
Patent
active
060983817
ABSTRACT:
A heat shield, in the form of a blower, oriented between a heat source and a plurality of containers, interrupts the heat transmission onto fittings and the containers. The heat source is in the form of a hot air fan. The blower produces an air curtain between the containers and the hot air fan. The machine has a conveyor along which the blower runs on one side and parallel with it. The tubular blower has openings or nozzles in, and is switched on or off by, a control and a control valve.
REFERENCES:
patent: 4172873 (1979-10-01), Spicer
patent: 4447280 (1984-05-01), Malthouse
patent: 4579614 (1986-04-01), Burmeister et al.
patent: 5031298 (1991-07-01), Fresnel
patent: 5464495 (1995-11-01), Eder
Huynh Louis F.
Krones AG
Vo Peter
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