Rapid and easy bottle test

Details Rapid and easy bottle test Rapid and easy bottle test

2008-01-24

2011-12-13

Verbitsky, Gail (Department: 2855)

Thermal measuring and testing

Thermal testing of a nonthermal quantity

Of susceptibility to thermally induced deteriouration, flaw,...

C374S005000, C374S043000, C374S055000

Reexamination Certificate

active

08075180

ABSTRACT:
A method for predicting the drop impact resistance of a stretch-blow molded polypropylene container which comprises the steps of measuring the initial size of the container, placing it in an oven, remeasuring its size after removing it from the oven, calculating the percentage difference in size of the container and determining its drop impact resistance, which is proportional to said difference.

REFERENCES:
patent: 4733973 (1988-03-01), Machak et al.
patent: 4888148 (1989-12-01), Hartitz
patent: 6727317 (2004-04-01), Kurja et al.
patent: 2003/0047565 (2003-03-01), Oda et al.
patent: 2009/0120900 (2009-05-01), Mitadera et al.

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