Briquette making machine

Details Briquette making machine Briquette making machine

1985-02-26

1986-05-20

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

4253241, 425256, 425292, 425296, 4253021, 4253051, B29C 1700

Patent

active

045898324

ABSTRACT:
The briquette making machine comprises a waste-receiving bin (11), one wall of which is defined by a plate (12) to sweep waste towards a guillotine (15) forming another wall of the bin (11). The guillotine (15) comprises a blade portion (19) to shear any waste straddling the bin and a compression chamber defined by the blade portion (19) and a wall (17). With the guillotine (15) in its most downward position a piston (23) configured to conform to the cross-sectional shape of the compression chamber clears the compressed waste therefrom by further compressing it against and eventually through a constricted discharge opening. The opening is defined by wheels (25, 26) which longitudinally groove the emergent briquette.
In a preferred embodiment, the guillotine (15) and the piston (23) are advanced and retracted by first and second double-acting hydraulic rams (respectively 9 and 23, 24). There is a third ram (27) holding one (26) of the wheels against the emergent briquette. The hydraulic circuitry (FIG. 5) is so arranged that as the ram (9) raises the guillotine, the hydraulic fluid which exhausts automatically from that ram is transferred to the second ram (23, 24) to retract the piston (23) substantially simultaneously with the retracting movement of the guillotine (15). With the guillotine (15) at the limit of its retracting movement, the circuitry automatically feeds hydraulic fluid to the piston ram (23, 24) to hold the piston (23) in its fully retracted position as the guillotine (15) subsequently descends. The third ram (27) is pressurized against the briquette by hydraulic fluid which enters that ram under pressure automatically as the fluid is exhausting from the ram (9) which is retracting the guillotine.

REFERENCES:
patent: 2638066 (1953-05-01), Ridder
patent: 3115103 (1963-12-01), Huss
patent: 3266096 (1966-08-01), Thomas et al.
patent: 3504067 (1970-03-01), Trecek
patent: 3549738 (1970-12-01), Troyer
patent: 4011035 (1977-03-01), Root
patent: 4401610 (1983-08-01), hberg

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