Apparatus for marking refillable containers, more especially pla

Details Apparatus for marking refillable containers, more especially pla Apparatus for marking refillable containers, more especially pla

1995-03-03

1997-03-18

Hajec, Donald T.

Registers

Systems controlled by data bearing records

235383, 235454, 250223B, G06F 1700

Patent

active

056125259

ABSTRACT:
An apparatus is disclosed for marking refillable containers, more especially plastic bottles, with code symbols for later ascertaining whether a container has to be refilled or separated. The part of the container in which is situated a manufacturer's code present from the outset is photographed at a detection station by a camera. 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 with a laser. The number of such code symbols gives the number of fillings of the containers, 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, for example, prevent a plastic bottle which previously contained a cola drink being filled with mineral water, whereas the reverse sequence would be permissible.

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