Importance

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Abstract

A crushing machine for comminuting laminated glass, particularly windshields for cars, consists of a chamber with cylindric wall (24) in which is suspended a rotor (28) with pivotably beaters (50). Plural layers of laminated glass are fed through a feeding opening (20) through rubber rollers (22) which form an almost airtight lock into the crushing chamber. At the inner side of its wall (24), the chamber is provided with a number of evenly distributed ribs (54) to be impacted by laminated glass pieces, which are subsequently further comminuted by the beaters (50). The crushing chamber is provided with a slot-formed discharge opening (34) which may be varied in width. Outside the discharge opening (34), there is mounted a collecting containing (36) provided with subpressure. Due to naturally occurring leaks in the wall (24) of the crushing chamber, including the feeding opening (22), there will be a continuous flow of air out through the opening (34), why the material will eventually be conducted therethrough and collected in a container (36). From here, the material may leave the container (36) through an aperture closed by a flap (38). With the crushing machine according to the invention, there may be achieved a complete comminution of laminated glass material and separation of glass from the plastic film in one step and so that the finest glass particles have a size in the order of 0-3 millimeters.

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First Claim