Importance

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Abstract

A die for processing a pliable plastic moldable material, particularly a plastic resin, has a cylindrical circular cross sectioned passage provided in the die wall. A marking device for the die comprises a ring body held space-fixed in the cylindrical circular cross sectioned passage of the die and a cylindrical circular cross sectioned central body received rotatable, coaxial, and stepwise lockable in the ring body. Both the front surface of the central body and the ring shaped front surface of the ring body form part of the embossing surfaces of the die. The rotatable front surface of the central body carries an indicating mark, while the space-fixed ring shaped front surface of the ring body adjoining the rotatable front surface of the central body is provided with a number of other marks, which can give the date or dates. The marking device can advantageously be constructed as a standardized part and is easily mounted in the die, without which the embossing die must be provided with additional marks on its embossing surfaces. For a case in which the marking assembly must be changed due to for example a date change, the central body is conveniently adjustable by a tool from the die space.

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First Claim