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Primary Examiner: Guest, Alfred R.
Assistant Examiner:
Attorney: Kleeman; Werner W.

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Title: Methods and apparatus for dewatering leather

Abstract: A method of, and apparatus for, dewatering leather wherein there is provided at least a first dewatering-pressure zone and to both sides and neighboring such first dewatering-pressure zone two further dewatering-pressure zones producing a lower pressure than the first dewatering-pressure zone. The two further dewatering-pressure zones together with the first dewatering-pressure zone move over the surface of the leather, and the leather, at the region of the pressure zones, is brought into pressure contact, at least at one face or side thereof, with an absorbent element.

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Inventors: Dokoupil, Jiri (D-6251 Guckingen, DT)

Application Number: 716179
Filing Date: 1976-08-20
Publication_date: 1977-10-25
Assignee:
Primary Class(es): 69/41 69/21
Other Classes:
US Patent Ref:

295948	Apr, 1884	Sawyer	69/43.
2344274	Mar, 1944	Stacom	100/160.
2851869	Sep, 1958	Quoos et al.	100/160.
3638292	Jan, 1972	Gaghan	29/113.
3640105	Feb, 1972	Richter et al.	69/41.
3654781	Apr, 1972	Plechac	69/41.

Other Refs: 138,231141,3071,582,3436,509,484

Sep, 1970	CS.
May, 1971	CS.
Sep, 1969	FR.
Feb, 1966	NL

Other References: P. 49, "Prirucka kozeluha", Praha, 1969, author-Exner.
Russian Authorship No. 346,338, 8/1972.
Czechoslovakia Authorship No. 158,688, July 1975, Repetto.