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Class 69/48 - Presses


Subclass of Class 69 - Leather manufactures
Definition: Apparatus for treating leather in which opposing forces
No. of patents: 16
Last issue date: 02/15/2005


NumberTitleIssue Date
6854301Extended nip press for the leather industry
An extended nip press machine, similar to those used in the paper industry, for use in the leather industry to remove water from hides after the tanning process. The leather press consists of a shoe whose surface substantially matches the radius of an opposing press...
02/15/2005
6112559Hide stretching apparatus
A modular oscillating head, particularly for stretching and softening industrial hides and similar products, comprising flexible mats (31, 32) for the continuous longitudinal advancement of the hides between at least one pair of plates with facing tools u...
09/05/2000
5671618Plate press for embossing or glazing, particularly for hides and the like
A plate press for embossing or glazing, particularly for hides and the like, comprising a frame that supports a lower plate and an upper plate. An embossing plate for dressing the side of a hide is associable with one of the plates. The plate press compri...
09/30/1997
5440793Process for production of fur enhanced fabric
A fur strip 6 is wound on each of warp yarns 2 and weft yarns 3 of a net 4 to have a hair side 6a of the fur strip 6 disposed outside the net 4 so as to form a hairy textile fabric element 7, the net 4 being woven by interlacing the warp yarns 2 with the ...
08/15/1995
4901542Method and apparatus for increasing leather yield from tanned hides
A process for increasing the surface area yield of a tanned hide while improving the surface characteristics of leather resulting from the hide, the invention includes the method steps of freezing the tanned hide or splits from the hide followed by mechan...
02/20/1990
4888966Throughfeed sammying press
Skins, hides and similar flexible objects are sammied during travel through two successive nips the first of which is defined by an upper pressure roll and a first lower pressure roll and the second of which is defined by the upper pressure roll and a sec...
12/26/1989
4544429Process for bending cuts for manufacturing goods of leather or synthetical materials
A process for bending cuts of leather or other synthetic materials by means of a suction action exerted over the cuts, which were previously gummed, providing an additional action of pressure over the cuts manually or by a pneumatic press installed over t...
10/01/1985
4507943Drying press for hides
A drying press for hides, comprising two endless drying felts (1; 4) passed over rolls (2, 3; 5, 6), said felts being pressed against each other at press rolls (2, 5) to form a drying press gap for hides which are passed therethrough, as well as hide stre...
04/02/1985
4450764Hide press and method for shipping hides
A frame forms a container having four vertical sides and a flat bottom plate. A hydraulically raised and lowered gate forms one of the sides. Wet hides are stacked on a pallet commonly used with a forklift. The gate is raised, and the loaded pallet placed...
05/29/1984
4384464Apparatus for bending cuts for manufacturing goods of leather or synthetical materials
An apparatus for bending cuts of leather or other synthetic materials by means of a suction action exerted over the cuts, which were previously gummed, providing an additional action of pressure over the cuts manually or by a pneumatic press installed ove...
05/24/1983
4296614Leather press
A leather press in which two wedges are synchronously driven to raise a lower platen in the press from an open condition to a position adjacent an upper platen of the press. The lower platen is movably mounted on a support. The support and the wedges are ...
10/27/1981
4238939Apparatus for the continuous thermal treatment of flexible sheet material
Apparatus for the continuous thermal treatment of flexible sheet material includes a heated cylinder which is rotatably mounted in a frame. The presser cylinder is arranged in parallel spaced relation to the heated cylinder so as to permit passage of shee...
12/16/1980
4208892Sammier press
The invention relates to a sammier press, especially for leather and fur, with a pressure roll and counter-pressure rolls bearing thereon, whereof at least one is driven, and with two conveyor belts moved by frictional engagement which receive the materia...
06/24/1980
4194376Leather press
A leather press in which two wedges are synchronously driven to raise a lower platen in the press from an open condition to a position adjacent an upper platen of the press. The lower platen is movably mounted on a support. The support and the wedges are ...
03/25/1980
4100773Drying press for hides
A press comprises two cooperating endless belts each trained over a support and tensioning roller. The end supports of the support roller for the lower belt rest on a hydraulically actuated piston which enables this support roller to be displaced towards ...
07/18/1978
4086793Device for moistening and conditioning leather and the like
This invention relates to apparatus for moistening and conditioning sheet materials for example leathers and similar materials. The apparatus comprises two endless moisture-absorbent conveyor belts which come together, in the operation of the apparatus, b...
05/02/1978
 
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