Title: Device for skimming material floating on a liquid

Abstract: A device for discharging floating material from a supernatant layer floating on a carrier liquid in which the discharged material is moved along a discharge surface to an overflow. The device includes a carrier positioned above the supernatant layer. Blades are secured to the carrier for immersion in the supernatant layer in moving the layer toward the overflow. Means are further provided to move the carrier such that the blades supported by the carrier undergo movement through a trajectory with the trajectory of each blade or group of blades encompassing only a portion of the total displacement of the floating material by the movement of the carrier.

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Other info:

Inventors: Pielkenrood, Jacob (Krommenie, NL)

Application Number: 827247
Filing Date: 1977-08-24
Publication_date: 1979-03-13
Assignee: Pielkenrood-Vinitex B.V. (Assendelft, NL)
Primary Class(es): 210/525
Other Classes:
US Patent Ref:

1098812	Jun, 1914	Lowdon	210/526.
2697384	Jan, 1954	Clay et al.	210/525.
2713026	Jul, 1955	Kelly et al.	210/525.
2880876	Apr, 1959	Dujerdin	210/525.
3286844	Nov, 1966	Juell	210/523.
3756418	Sep, 1973	Pantz et al.	210/525.
3796315	Mar, 1974	Chapman et al.	210/523.
3872005	Mar, 1975	Baher	210/525.
3890289	Jun, 1975	Johnson	210/523.

Other Refs:
Primary Examiner: Granger, Theodore A.
Assistant Examiner:
Attorney: Smyth, Pavitt, Siegemund, Jones & Martella