Solid material comminution or disintegration – Apparatus – Combined or convertible
Patent
1991-04-04
1993-02-02
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Combined or convertible
241266, B02C 110
Patent
active
051832160
ABSTRACT:
A demolition apparatus for breaking up and demolishing in particular reinforced concrete comprises two shear-like cooperating, hydraulically driven jaws, whereof one has at least two and the other at least three working ledges provided with breaking teeth and which are all juxtaposed in parallel and interengage in alternating manner in the closed position. For the effective crushing of conrete, in the case of the jaw with the larger number of working ledges, the two outer ledges are in a common plane at right angles to the closing movement, while the intermediate ledges are set back with respect to the closing movement. The reinforcement of reinforced concrete can be easily cut up in the same working stroke, in that in the working position facing sides of at least two juxtaposed working ledges of the two jaws cutting tools are provided between the breaking teeth and are set back with respect to the latter in the direction of the closing movement and move passed one another in shearing manner at the end of the closing movement.
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patent: 4934616 (1990-06-01), Zepf
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patent: 5004168 (1991-04-01), Purser
NPK "Full Indexing Rotation Crushers S-22R/S-25R" Nippon Pneumatic Mfg. Co. Ltd.
Chin Frances
Rosenbaum Mark
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