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US 4,474,334 AGranted
Process and equipment for the crushing of scrap rubber, particularly scrap type
AssigneeTaurus Gumiipari Vallalat
InventorsIlona Tatai, Gusztav Gundisch, Geza Szots, Elemer Lantos
Life of this patent
Estimating the term…
Abstract
This invention relates to a process and equipment for the crushing of scrap rubber, particularly scrap tire. According to the invention the scrap rubber is forced through small-size openings under a pressure producing the cold yield of the rubber.
Claims5
A process for crushing of scrap rubber, particularly tires, comprising:
- placing the rubber in a pressure chamber, pressing the rubber in a first direction in order to produce a high pressure on the rubber which brings about its cold yield, and forcing said rubber through yielding openings in a second direction transverse to said first direction so that second rubber is shredded as it flows through said yielding openings due to a sudden expansion following the high pressure caused by the shape of said yielding openings.
An apparatus for crushing a rubber tire, comprising:
- a tool having a cylindrical pressure chamber to receive a rubber tire to be crushed, a stamp axially displaceably arranged to move within said chamber and connected to a load applying means to produce a high pressure necessary to bring about cold yield of such a rubber tire, said chamber including a wall with a plurality of radial yielding openings reinforced to resist high pressures, a device for deforming such a rubber tire at its base ring and for moving it into said pressure chamber prior to crushing, said stamp pressing such a rubber tire through said yielding openings to shred such a rubber tire due to sudden expansion following the high pressure caused by the shape of said yielding openings.
Dependencies are inferred from the claim text.