Method for making self-supporting plastic bottle with textured i

Details Method for making self-supporting plastic bottle with textured i Method for making self-supporting plastic bottle with textured i

1996-11-27

1998-10-27

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

With step of cleaning, polishing, or preconditioning...

264523, 425525, B29C 4920

Patent

active

058274561

ABSTRACT:
A plastic bottle, made of polyethylene (PE), polypropylene (PP), or poly(ethylene terephthalate) (PET), blown with a very thin overall wall thickness within the range 0.1 to 0.3 mm, includes a triangular or polygonal cross-section, the bottle being preferably surrounded by a supporting jacket. The bottle can be blown with a uniform wall thickness and adequate strength without the need for reinforcing ribs via walls formed by pressing them against the surface of a blow mold which has been worked at least in some areas by etching, form-cutting or eroding, having features with heights of 0.05 to 0.15 mm.

REFERENCES:
patent: 3474498 (1969-10-01), Hoppes
patent: 3550197 (1970-12-01), Szajna et al.
patent: 4024075 (1977-05-01), Uhlig
patent: 5023119 (1991-06-01), Yamakoshi
patent: 5226551 (1993-07-01), Robbins, III
patent: 5499730 (1996-03-01), Harbour

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