Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1993-12-27
1997-10-28
Dye, Rena
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 366, 428 368, 4284231, 4284237, 215 122, B65D 2308
Patent
active
056816286
ABSTRACT:
Pressurizable thermoplastic containers, such as those made from polyethylene terephthalate containing a polyurethane layer on the exterior surface thereof are disclosed. The polyurethane layer which is typically applied by a coating process provides the bottle with resistance to stress cracking. The containers are useful as refillable bottles for carbonated beverages which have a tendency to stress crack.
REFERENCES:
patent: 4569869 (1986-02-01), Kushida et al.
patent: 4731289 (1988-03-01), Coleman
patent: 4751120 (1988-06-01), Yazaki et al.
patent: 4785948 (1988-11-01), Strassheimer
patent: 4980211 (1990-12-01), Kushida et al.
Niederst Ken W.
Seiner Jerome A.
Zern John R.
Chirgott Paul S.
Dye Rena
Millman Dennis G.
PPG Industries Inc.
Uhl William J.
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