Code symbol for marking plastic bottles

Details Code symbol for marking plastic bottles Code symbol for marking plastic bottles

1995-03-03

1995-12-05

Pitts, Harold

Registers

Records

Particular code pattern

235454, G06K 710

Patent

active

054731526

ABSTRACT:
A process and an apparatus for marking refillable containers (112), more especially plastic bottles, with code symbols with the aid of which it can be Later ascertained whether a container has to be refilled or separated, are described. The part of the container (112) in which is situated a manufacturer's code present from the outset is photographed at a detection station (130) by means of a camera (164). Using code symbols applied previously as a reference marking, the place is determined at which a new code symbol of a round trip code is applied at a marking station (140) by means of a laser. The number of such code symbols gives the number of fillings of the containers (112), and the data content of each code symbol contains a statement concerning the filling inserted in the container, the bottler etc., in each case. With the aid of this, a certain filling sequence can be adhered to, and therefore for example, prevent a plastic bottle which previously contained a cola drink being filled with mineral water, whereas the reverse sequence would be permissible.

REFERENCES:
patent: 3898433 (1975-08-01), Sallet
patent: 4323755 (1982-04-01), Nierenberg
patent: 4377741 (1983-03-01), Brekka et al.
patent: 4757189 (1988-07-01), Daboub
patent: 4916293 (1990-04-01), Cartidge et al.
patent: 4919799 (1990-04-01), Menardi et al.
patent: 5204515 (1993-04-01), Yoshida

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