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Class Information
Number: 100/150
Name: Presses > Concurrent pressing and conveying > Helix-type compressor > Helix interengaging abutment
Description: Apparatus in which the material as it is carried forward by the rotating finned member comes against an abutment blocking the space between successive turns of the spiral.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7344033 |
Solid-liquid separator |
Mar. 18, 2008 |
| 7152522 |
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| 6550376 |
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| 5533457 |
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| 5417166 |
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| 5211841 |
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| 5012731 |
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| 4974506 |
Spindle press |
Dec. 4, 1990 |
| 4941404 |
Screw press |
Jul. 17, 1990 |
| 4901636 |
Spindle press |
Feb. 20, 1990 |
| 4581992 |
Screw press for mechanically separating liquids from mixtures of liquids and solids |
Apr. 15, 1986 |
| 4509419 |
Worm press for mechanically separating liquid/solid mixtures |
Apr. 9, 1985 |
| 4503764 |
Press installation |
Mar. 12, 1985 |
| 4475452 |
Bark processing machine |
Oct. 9, 1984 |
| 4429628 |
Extraction device |
Feb. 7, 1984 |
| 4401023 |
Worm press |
Aug. 30, 1983 |
| 4384955 |
Chips-deoiling machine |
May. 24, 1983 |
| 4289067 |
Press for rendering fatty bones |
Sep. 15, 1981 |
| 4121967 |
Screw conveyor in pulp-making equipment |
Oct. 24, 1978 |
| 3998148 |
Press for sugar beet and similar chips |
Dec. 21, 1976 |
| 3980013 |
Split worm for screw press |
Sep. 14, 1976 |
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