US3687709A - Process for rubbing dressing on natural leather - Google Patents

Process for rubbing dressing on natural leather Download PDF

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Publication number
US3687709A
US3687709A US69875A US3687709DA US3687709A US 3687709 A US3687709 A US 3687709A US 69875 A US69875 A US 69875A US 3687709D A US3687709D A US 3687709DA US 3687709 A US3687709 A US 3687709A
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US
United States
Prior art keywords
brush
leather
belt
rubbing
dressing
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 - Lifetime
Application number
US69875A
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English (en)
Inventor
Josef Prinz
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Application granted granted Critical
Publication of US3687709A publication Critical patent/US3687709A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C15/00—Apparatus for chemical treatment or washing of hides, skins, or leather
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
    • D06B1/12—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material by rubbing contact, e.g. with brushes or pads

Definitions

  • the present invention relates to a process and apparatus for continuously buffing or brushing a dressing on the surface of a moving flat object.
  • a continuous conveyor belt moving downwardly to the right in the direction shown by the arrow.
  • the belt carries hides 12, 14 thereon to which a dressing such as wax has been applied (not shown).
  • a cylindrical brush 16 Positioned above the belt 10 is a cylindrical brush 16 carried on a shaft 18.
  • the shaft is parallel to the conveyor belt and spaced above it just so far that the 3,687,709 Patented Aug. 29, 1972 bristles contact the top of the belt or the sides carried thereon.
  • the shaft 18 extends transversely of, in this case at a right angle to, the direction of advance of the belt. The shaft is rotated in the direction indicated and simultaneously is vibrated in axial direction, as shown.
  • the apparatus for setting the brush in transverse vibration can be the same as is used in vibrating sieves. Vibrating apparatus commercially available also permits a greater variation of the number of vibrations per second and of the amplitude. For the rubbing of dressing on leather a frequency of about 12 or 16 vibrations per second and an amplitude of about 10 to 15 mm. are generally suitable. It is also possible, however, by means of the vibrating cylindrical brushes to treat other flat products, such as linoleum, which are provided with a dressing or other finish. In this case it may be preferable to use a different frequency and amplitude.
  • the cylindrical brush advantageously is provided with nylon bristles, for example, of a length of about 10 to 20 mm. and a thickness of about 0.10 to 0.15 mm.
  • the surface of the cylinder is preferably uniformly and densely covered with bristles, eg about 200 to 1000 and preferably about 500 per square centimeter.
  • the direction of rotation of the cylindrical brush in the treatment of tanned hides should be the same as the direction of moveemnt of the conveyor belt, i.e. at the instant in which they contact the surface of the belt or of v the broad workpiece lying thereon, the bristles of the brush are moving in the same direction as the belt.
  • the cylindrical brush must run substantially faster than the conveyor belt, because if the conveyor belt and brush speed were the same at the amount of contact, the rubbing action would be too slight, since then only the transverse movement of the cylindrical brush would be effective.
  • the cylindrical brush rotates in the same direction as the conveyor belt or contrary thereto.
  • the pieces of leather tend to be lifted up at the edges or marginal areas if the directions of movement of the belt and brush are opposed. In this case, therefore, moveemnt in the same direction is preferred, but at different speeds, the brush preferably moving at a higher peripheral speed.
  • the direction of movement of belt and brush can be as desired.
  • the speed of the conveyor belt advantageously is about 5 to 30 meters per minute and preferably about 20 or 25 meters per minute.
  • the peripheral speed of the cylindrical brush can be from about 15 to meters/minute, advantageously about 25 to 50 and preferably about 40 meters per minute, i.e. about twice the conveyor speed.
  • EXAMPLE Tanned hides are sprayed with wax, the wax allowed to dry, and placed on a conveyor as shown in the drawing.
  • the conveyor moves at 22 meters per minute beneath a meter of 15 mm. length and 0.1 mm. diameter.
  • the brush moves at a peripheral speed of 40 meters per minute and is simultaneously vibrated at a frequency of 15 vibrations per second and an amplitude of 14 mm. The process runs smoothly without interruption or displacement of the hides and the wax is formed into a streak-free layer of uniform thickness and higher luster.
  • the process for providing a polished surface on natural leather which comprises applying thereto a liquid, dressing or Wax, thereafter conveying the leather at a speed of about 5 to 30 meters per minute below a cylindrical brush whose bristles contact the leather, the bristles having a length of about 10 to 20 mm. and a thickness of about 0.10 to 0.15 mm., rotating said cylindrical brush at a peripheral speed about twice that of the leather in the same direction as the leather so as to brush the leather and vibrating said brush in transverse direction at a frequency at least sufiicient to provide a polished sur- 4 face and at most about 16 vibrations per second and an amplitude of about 10 to 15 mm.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
US69875A 1970-05-29 1970-09-04 Process for rubbing dressing on natural leather Expired - Lifetime US3687709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702026279 DE2026279A1 (de) 1970-05-29 1970-05-29 Verfahren und Vorrichtung zum Ein reiben oder Verreiben von Flüssigkeiten oder Pasten auf Oberflachen

Publications (1)

Publication Number Publication Date
US3687709A true US3687709A (en) 1972-08-29

Family

ID=5772435

Family Applications (1)

Application Number Title Priority Date Filing Date
US69875A Expired - Lifetime US3687709A (en) 1970-05-29 1970-09-04 Process for rubbing dressing on natural leather

Country Status (5)

Country Link
US (1) US3687709A (enrdf_load_stackoverflow)
JP (1) JPS4939167B1 (enrdf_load_stackoverflow)
DE (1) DE2026279A1 (enrdf_load_stackoverflow)
ES (1) ES382391A1 (enrdf_load_stackoverflow)
FR (1) FR2093849A5 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040384A (en) * 1976-02-19 1977-08-09 Ppg Industries, Inc. Apparatus for scrubbing stain into sheet or board material
ITPD20120035A1 (it) * 2012-02-13 2013-08-14 Dogi Internat S R L Apparecchiatura e procedimento per distribuire cera a caldo sulla superficie di pelli
CN109926261A (zh) * 2019-03-01 2019-06-25 林木惠 一种贵重皮包顺纹理移动的上油装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2532953A1 (fr) * 1982-09-10 1984-03-16 Bugey Maroquinerie Tanneur Procede et machine pour le traitement de pieces de cuir

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040384A (en) * 1976-02-19 1977-08-09 Ppg Industries, Inc. Apparatus for scrubbing stain into sheet or board material
ITPD20120035A1 (it) * 2012-02-13 2013-08-14 Dogi Internat S R L Apparecchiatura e procedimento per distribuire cera a caldo sulla superficie di pelli
CN109926261A (zh) * 2019-03-01 2019-06-25 林木惠 一种贵重皮包顺纹理移动的上油装置
CN109926261B (zh) * 2019-03-01 2020-06-16 广州市维格皮具有限公司 一种贵重皮包顺纹理移动的上油装置

Also Published As

Publication number Publication date
FR2093849A5 (enrdf_load_stackoverflow) 1972-01-28
JPS4939167B1 (enrdf_load_stackoverflow) 1974-10-23
ES382391A1 (es) 1972-11-16
DE2026279A1 (de) 1971-12-02

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