Particle grinder with high degree of sound isolation

Details Particle grinder with high degree of sound isolation Particle grinder with high degree of sound isolation

1980-12-03

1983-02-01

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Mutual attrition or compression comminutors

241182, 241285R, 241DIG30, B02C 1718

Patent

active

043711200

ABSTRACT:
A particle grinder includes a container having at least one opening in a wall thereof; a sound isolation layer covers a major portion of the exterior surface of the container and an elogated fastening device passes through the opening, fastening the sound isolation layer to the container. The fastening device includes a bolt and a nut threadable onto the bolt. A first sleeve composed of substantially non-deformable material surrounds the elongated fastening device at least partially within a region of the opening, and a second and resilient sleeve surrounds the first sleeve, at least partially and normally projects exteriorly therebeyond. A clearance exists normally between the sleeves and the sound isolation layer abuts an exterior portion of the second sleeve. A resilient seal is disposed around the periphery of a portion of the fastening device, and between the first sleeve, and the container. An elastic washer is disposed between the sleeve, and an outer portion of the fastening device, which outer portion is arranged to axially abut against the elastic washer.

REFERENCES:
patent: 3895761 (1975-07-01), Mills
patent: 4062500 (1977-12-01), Peterson, Jr.

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