Compression apparatus having precompression device and main comp

Details Compression apparatus having precompression device and main comp Compression apparatus having precompression device and main comp

1988-03-15

1989-03-07

Hornsby, Harvey C.

Presses

Plural presses

100207, 100224, 100225, 100229A, 100245, 100246, 100252, 100902, B30B 700, B30B 1504, G21F 936

Patent

active

048096008

ABSTRACT:
A compression apparatus for solid waste includes a precompression device and main compression device. A precompression device includes a precompression sleeve for receiving therein a cylindrical vessel filled with the solid waste and a press ram arranged above said precompression sleeve and movable upward and downward for compressing, at high pressure, the cylindrical vessel in the precompression sleeve. The compression sleeve includes an upper straight large diameter portion, and an intermediate tapered portion, thereby compressing the cylindrical vessel and reducing its volume in three dimensional directions by compressing the vessel radially inwardly at the tapered inner surface of the intermediate tapered portion. The main compression device includes a main compression press ram and a main compression sleeve having an inner diameter no more than the inner diameter of a lowermost end of the intermediate tapered portion. A slide base moves the main compression sleeve between a first location where it is aligned beneath the intermediate tapered portion of the precompression sleeve, and a second location where it is aligned beneath the main press ram.

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patent: 4631015 (1986-12-01), Shigeo et al.

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