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US 4,224,849 AGranted
Device for detection of metal in a moved strand
AssigneeWeisert, Loser & Sohn GmbH & Co.
InventorKarlheinz Loser
Life of this patent
Estimating the term…
Abstract
A device is provided for detection of metal in a moved strand of a highly viscous material such as a mass of chewing gum. A guide trough for the strand is provided, above which an electronic metal detector is disposed, whereby a drop knife is disposed above the guide trough, and a swing valve opens into the floor of the guide trough.
Claims9
Device for detecting and removing metal from a moving strand of highly viscous material, such as gum or the like, comprising:
- a guide trough for the strand,
- an electronic metal detector for detecting metal in the strand as it moves along the guide trough,
- a drop knife disposed above the guide trough,
- control means for actuating said drop knife to sever said strand in response to detection of metal in the strand by the metal detector,
- and swing valve means opening into the floor of said guide trough for accommodating removal of the severed strand with metal therein.
2 more elements
Dependencies are inferred from the claim text.