...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 5832751 | Impregnating machine for surface impregnating hides or similar products An impregnating machine (1, 28) for surface impregnating hides (2) or similar products wherein an endless conveyor belt (3), with a transportation branch (5) traveling in a given direction (6), and a conveyor (16), presenting a number of endless belts (17... | 11/10/1998 |
| 5653130 | Process and device for applying liquids to the surface of leather or similar flat materials A moving piece of leather on a bearing support will be moved parallel to a moving open-porous-structured, mesh-like (strainer) belt, the pores or meshes being filled with fluid. This fluid will be transmitted by pressure onto the leather surface. The pres... | 08/05/1997 |
| 5480605 | Method and apparatus for manufacturing coin pouch An apparatus and method for manufacturing leather coin pouches. The method provides for wetting a leather assembly comprising a substantially flat, flexible leather cover laminated to a substantially flat, more rigid centerpiece, to soften the leather whi... | 01/02/1996 |
| 5235829 | Roller dyeing machine for surface impregnating hides and similar products A roller press for surface impregnating leather and similar materials, includes a load-bearing structure (2) which supports an upper impregnating roller (8), a lower drive roller (9), and a pair of conveyor belts (5 and 6) placed one above the other which... | 08/17/1993 |
| 5000017 | Apparatus for treating skins or hides in wet processes An apparatus for treating hides or skins with liquids in so-called wet processes, e.g. tanning, drenching, dyeing, etc., includes a liquid-impermeable substrate receiving the hide in inflexible manner and a treatment device tightly applicable to the top o... | 03/19/1991 |
| 4559793 | Processing plant for treating hides, skins, pieces of leather and the like The invention relates to a process of treating workpieces consisting of hides, skins, pieces of leather or the like and is characterized by subjecting the workpiece in conjunction with a drying operation to lateral and longitudinal stretching by way of a ... | 12/24/1985 |
| 4478328 | Automatic hide processing apparatus An apparatus for loading cattlehides and like materials automatically onto carrier bars.... | 10/23/1984 |
| 4373363 | Skin washer A skin washer having a conveyor belt which carries a skin from a loading station to and through a washing station with back-up members for the conveyor belt at the washing station. A plurality of driven brush rollers, located to deflect the conveyor belt ... | 02/15/1983 |
| 4333731 | Method and apparatus for the manufacture of tanned hides and skins A method for the wet processes in tanneries, e.g. soaking, liming, deliming, bating, pickling and tanning, wherein the liquids or solutions necessary for these processes are injected by high pressure into the hide or skin, and an apparatus for the realiza... | 06/08/1982 |
| 4280345 | Apparatus for cleansing cattle hides This invention relates to primary processing of animal hides and more particularly to methods for cleansing cattle hides and to apparatus for carrying out same. According to the proposed method, washing, soaking and removal of dung from the surface of the... | 07/28/1981 |
| 4267714 | Hydraulic device for producing a to-and-fro movement A hydraulic device for producing a to-and-fro movement of a lever connected to a double-acting piston/cylinder unit comprises a pressure fluid distributor including a control piston for alternately feeding pressure fluid to one or the other side of the pi... | 05/19/1981 |
| 4202664 | Method for cleansing cattle hides and apparatus for realizing same This invention relates to primary processing of animal hides and more particularly to methods for cleansing cattle hides and to apparatus for carrying out same. According to the proposed method, washing, soaking and removal of dung from the surface of the... | 05/13/1980 |
| 4195501 | Apparatus for tanning skins An apparatus for tanning skins in a rapid and efficient manner includes a closed tanning tank and a plurality of storage tanks for storing the various liquids employed in tanning skins. The skins to be tanned are hung in the tanning tank. An air tight doo... | 04/01/1980 |
| 4086793 | Device 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 |
| 3938356 | Web finishing machines A machine for the continuous finishing of webs of textile or artificial leather material or the like in accordance with a variety of finishing processes, the machine comprising a reversible continuous flow drum having web feed and withdrawal devices, the ... | 02/17/1976 |