GB869285A - Improvements relating to the shaping of leather - Google Patents

Improvements relating to the shaping of leather

Info

Publication number
GB869285A
GB869285A GB3291657A GB3291657A GB869285A GB 869285 A GB869285 A GB 869285A GB 3291657 A GB3291657 A GB 3291657A GB 3291657 A GB3291657 A GB 3291657A GB 869285 A GB869285 A GB 869285A
Authority
GB
United Kingdom
Prior art keywords
leather
heating
shaping
water
moisture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3291657A
Inventor
Norman Limon Holmes
Peter Bryan Curtis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Richard Hodgson & Sons Ltd
General Electric Co PLC
Original Assignee
Richard Hodgson & Sons Ltd
General Electric Co PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Richard Hodgson & Sons Ltd, General Electric Co PLC filed Critical Richard Hodgson & Sons Ltd
Priority to GB3291657A priority Critical patent/GB869285A/en
Publication of GB869285A publication Critical patent/GB869285A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C14B1/44—Mechanical treatment of leather surfaces
    • C14B1/56—Ornamenting, producing designs, embossing
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B1/00—Manufacture of leather; Machines or devices therefor
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
    • C14B2700/00—Mechanical treatment or processing of skins, hides or leather in general; Pelt-shearing machines; Making driving belts; Machines for splitting intestines
    • C14B2700/28—Processes or apparatus for the mechanical treatment of hides or leather not provided for in groups C14B2700/01 - C14B2700/27

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

869,285. Dielectric heating of leather. HODGSON & SONS Ltd., RICHARD, and GENERAL ELECTRIC CO. Ltd. Oct. 14, 1958 [Oct. 22, 1957], No. 32916/57. Class 39(3). [Also in Groups VII and XVI] A method of shaping leather comprises the steps of dielectrically heating leather having a moisture content of between 13%. and 21% moisture by weight of air dry leather to a temperature in the range 90 to 60‹C. to render the leather pliant, shaping the leather as required, any loss of water by evaporation from the leather during heating being substantially avoided, and cooling the shaped leather. The leather is heated dielectrically by placing it for a period of from 20 seconds to 3 minutes in an electric field applied at frequencies of up to 100 megacycles. A generator providing a power density ranging between 10 and 100 watts per cubic inch may be used. The electric field is applied between two parallel plates on one of which the leather rests; an air space may be left between the leather and the other plate or a layer of electrically insulating material such as mica may be inserted therebetween in contact with the leather to prevent evaporation of the freed water from the leather. The leather may be coated with a resin or other similar material to prevent loss of moisture. The moulding may be effected in a water-cooled mould or the heating plates may be in the form of a press in which the leather is moulded after heating.
GB3291657A 1957-10-22 1957-10-22 Improvements relating to the shaping of leather Expired GB869285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3291657A GB869285A (en) 1957-10-22 1957-10-22 Improvements relating to the shaping of leather

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3291657A GB869285A (en) 1957-10-22 1957-10-22 Improvements relating to the shaping of leather

Publications (1)

Publication Number Publication Date
GB869285A true GB869285A (en) 1961-05-31

Family

ID=10345919

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3291657A Expired GB869285A (en) 1957-10-22 1957-10-22 Improvements relating to the shaping of leather

Country Status (1)

Country Link
GB (1) GB869285A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0654536A1 (en) * 1993-11-24 1995-05-24 Dacremen S.L. Machine for engraving reliefs on the surface of hides in general

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0654536A1 (en) * 1993-11-24 1995-05-24 Dacremen S.L. Machine for engraving reliefs on the surface of hides in general

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