Pneumatic pipe conveyor installation for fibres

Details Pneumatic pipe conveyor installation for fibres Pneumatic pipe conveyor installation for fibres

1988-07-05

1990-11-06

Stodola, Daniel P.

Advancing material of indeterminate length

With material-responsive control means

To regulate longitudinal movement of material

226 45, 19263, 57305, B65H 6300, D01H 560

Patent

active

049679465

ABSTRACT:
Known pneumatic pipe conveyor installations for fibres, particularly for textile fibre strands, comprise a conveyor pipe and a selectively operable feeder apparatus for feeding the fibres to the inlet opening of the conveyor pipe.
For permitting the feeder apparatus to be automatically stopped in response to the formation of a fibre congestion adjacent the inlet opening of the conveyor pipe, there is provided a pressure-receiving surface (6) at least partially surrounding the inlet opening (5) of the conveyor pipe (2) and operatively connected to a switch (7) adapted to generate a stop signal for stopping operation of the feeder apparatus (3) in response to the pressure acting on the pressure-receiving surface (6) exceeding a predetermined value.
The pneumatic pipe conveyor installation is useful for conveying fibre strands or slubbings in the textile industry.

REFERENCES:
patent: 2333267 (1943-11-01), Modigliani
patent: 2577915 (1951-12-01), Piller et al.
patent: 3203634 (1965-08-01), Furst
patent: 3640440 (1972-02-01), Sedlarik et al.
patent: 3722733 (1973-03-01), Plate et al.
patent: 3747818 (1973-07-01), Winkler
patent: 4300711 (1981-11-01), Sutter et al.
patent: 4676443 (1987-06-01), Simmons
patent: 4829640 (1989-05-01), Greb et al.

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