Method and apparatus for the manufacture of tanned hides and skins
Patent 4333731 Issued on June 8, 1982. Estimated Expiration Date: 
July 12, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 12, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorsAssigneeApplicationNo. 06/056849 filed on 07/12/1979US Classes:8/436, Leather dyeing69/32, With hide, skin or leather moving means8/150.5, Hides, skins or leather8/94.15, Treatment of untanned skins or hides8/94.17, Alkaline material removal8/94.21, Organic material8/94.22, Fat, fatty oil, fatty oil acid or salt thereof8/94.27Chromium compoundExaminersPrimary: Tungol, Maria ParrishAttorney, Agent or FirmInternational ClassC14C 15/00 (20060101)Foreign Application Priority Data1978-07-19 DEAbstractA 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 realization of said method, wherein piston-type shooting devices are arranged in rows and a conveyor is provided receiving the hide or skin conveying it stepwise below the shooting devices and having holding-up members for pressing the hide against the shooting devices while the injection of said liquids or solutions takes place. | |
