Process for washing refillable plastic bottles

Details Process for washing refillable plastic bottles Process for washing refillable plastic bottles

1994-03-28

1997-03-04

Sheehan, John

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 2217, B08B 900

Patent

active

056075170

ABSTRACT:
The present invention relates to a process for washing a container, especially a food or drink container, of the bottle type, and intended to be re-employed, especially for a use with foodstuffs, in which:
the reusable container is made of a homopolymer or a copolymer or a mixture of polymers, which is transparent and which has an average degree of crystallinity higher than 30%, the thickness of the walls of the container being greater than:
0.35 mm with regard to the body
1.00 mm at the base
1.00 mm at the bottom, and
said container is washed with an aqueous solution at a temperature higher than 70.degree. C.

REFERENCES:
patent: 4680060 (1987-07-01), Gupta et al.
patent: 5330581 (1994-07-01), Syrinek
Derwent Publication AN: 93-367277 Apr. 11, 1993.
Derwent Publication AN: 84-011756 Jul. 21, 1993.
Derwent Publication AN: 93-208695 May 28, 1993.
Derwent Publication AN: 94-022552 Dec. 14, 1993.

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