Metal working – Method of mechanical manufacture – Scrap recovering or utilizing
Patent
1978-08-02
1980-09-09
Gilden, Leon
Metal working
Method of mechanical manufacture
Scrap recovering or utilizing
294205, 29422, 75 44S, 75256, 428576, B23Q 1700
Patent
active
042210402
ABSTRACT:
The specification discloses a compact, dense, economical, metal pellet for charging melting furnaces to recycle the metal and a method for making the pellet especially from scrap cans and pieces of scrap metal including borings, turnings, punchings, chips, shavings, and chunks. The pellet includes a container having compressed, permanently deformed sides and a quantity of compressed metal pieces therein which overlap and engage one another. The container sides include a plurality of folds, wrinkles and corrugations which tightly and firmly engage and clamp the metal pieces to retain them within the compressed container. The pellet may have open or closed ends since the clamping engagement of the metal pieces by the compressed container sides retains the pieces in either case.
The method includes inserting the metal pieces in the container such that they overlap and engage one another and compressing and permanently deforming the container and metal pieces together while the container sides are left unsupported. The resulting folds, wrinkles and corrugations in the container sides clamp and hold the metal pieces which overlap and help retain one another across the entire container.
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Foundry Trade Journal, Jun. 2, 1938, pp. 437-438.
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