Process for producing a blow-molded container

Details Process for producing a blow-molded container Process for producing a blow-molded container

1988-04-21

1990-04-24

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Shaping or treating luminescent material

73104, 264 402, 264515, B29C 4904, B29C 4978, B29C 4980

Patent

active

049198556

ABSTRACT:
A process for the production of a laminate of thermoplastic material with a multi-layer wall by co-extrusion provides that added to the material for forming at least one of the layers of the laminate is a substance which makes it possible for that layer to be rendered recognizable in the laminate by the action of physical and/or chemical means. The added substance may be a fluorescing, phosphorescing or luminescing substance so that the layer containing that substance can be rendered visible in the wall of the laminate by the action of UV radiation of appropriate wavelength.

REFERENCES:
patent: 3097058 (1963-07-01), Branscum et al.
patent: 3592882 (1971-07-01), Morita
patent: 3974248 (1976-08-01), Atkinson
patent: 4217161 (1980-08-01), Yamada et al.
patent: 4444701 (1984-04-01), Meguiar
patent: 4477521 (1984-10-01), Lehmann et al.
patent: 4487730 (1984-12-01), Larribe
patent: 4584150 (1986-04-01), Ballocca
patent: 4643785 (1987-02-01), Paynton
patent: 4714580 (1987-12-01), Maruhashi et al.
"Shopping a Show," Modern Packaging, pp. 34, 37 (Aug. 1975).

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