Process for the automatic inspection of blow-molded articles

Details Process for the automatic inspection of blow-molded articles Process for the automatic inspection of blow-molded articles

1976-02-20

1977-08-16

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

264 89, 264 97, 425DIG231, B29C 1707

Patent

active

040426572

ABSTRACT:
Blow-molded thermoplastic articles such as bottles are produced from preforms while measuring the pressure in the article and comparing the measured pressure with standard values. Articles having measured pressure values which deviate from standard are rejected.

REFERENCES:
patent: 3012286 (1961-12-01), Gasmire
patent: 3137748 (1964-06-01), Makowski
patent: 3255716 (1966-06-01), Knoechel et al.
patent: 3337666 (1967-08-01), Wilkins
patent: 3412187 (1968-11-01), Fogelberg et al.
patent: 3433862 (1969-03-01), Weber
patent: 3492106 (1970-01-01), Peters et al.
patent: 3577291 (1971-05-01), Uchida
patent: 3635632 (1972-01-01), Shaw et al.
patent: 3640667 (1972-02-01), Rupert et al.

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