C
SECTION C — CHEMISTRY; METALLURGY
 C

Note(s)

In section C, the definitions of groups of chemical elements are as follows:

  • Alkali metals: Li, Na, K, Rb, Cs, Fr
  • Alkaline earth metals: Ca, Sr, Ba, Ra
  • Lanthanides: elements with atomic numbers 57 to 71 inclusive
  • Rare earths: Sc, Y, Lanthanides
  • Actinides: elements with atomic numbers 89 to 103 inclusive
  • Refractory metals: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
  • Halogens: F, Cl, Br, I, At
  • Noble gases: He, Ne, Ar, Kr, Xe, Rn
  • Platinum group: Os, Ir, Pt, Ru, Rh, Pd
  • Noble metals: Ag, Au, Platinum group
  • Light metals: alkali metals, alkaline earth metals, Be, Al, Mg
  • Heavy metals: metals other than light metals
  • Iron group: Fe, Co, Ni
  • Non-metals: H, B, C, Si, N, P, O, S, Se, Te, noble gases, halogens
  • Metals: elements other than non-metals
  • Transition elements: elements with atomic numbers 21 to 30 inclusive, 39 to 48 inclusive, 57 to 80 inclusive, 89 upwards

  
CHEMISTRY
 C14
SKINS; HIDES; PELTS; LEATHER
 C14B
MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES, OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES (making leather substitutes B29, D06N; making articles from leather B68F; mechanical cleaning of hides or the like D06G; artificial leather D06N)
 C14B 1/00
Manufacture of leather; Machines or devices therefor
 C14B 1/02
·  Fleshing, unhairing, samming, stretching-out, setting-out, shaving, splitting, or skiving skins, hides, or leather
 C14B 1/04
·  ·  using slicking, scraping, or smoothing-out cylinders or blades fixed on supports, e.g. cylinders, in a plane substantially at right angles to the working surface
 C14B 1/06
·  ·  ·  in machines in which the working piece is maintained in contact with the working tools solely by means of rolls
 C14B 1/08
·  ·  ·  in machines with flexible bands as bed supporting or counter-pressure elements
 C14B 1/10
·  ·  ·  in machines with drums with cylindrical, conical, or similar surfaces for supporting the whole working piece
 C14B 1/12
·  ·  ·  in machines with plane supporting bed-plates
 C14B 1/14
·  ·  using tools cutting the skin in a plane substantially parallel to its surface
 C14B 1/16
·  ·  ·  using fixed or reciprocating or oscillating knives
 C14B 1/18
·  ·  ·  using band knives
 C14B 1/20
·  ·  ·  using circular dished or coned knives
 C14B 1/22
·  ·  ·  using cylindrical knives
 C14B 1/24
·  ·  Cutting or shearing hairs without cutting the skin (shearing furs and plucking hairs for fur manufacturing purposes C14B 15/02)
 C14B 1/26
·  Leather tensioning or stretching frames; Stretching-machines; Setting-out boards; Pasting boards (pasting processes C14B 1/60; fastening devices C14B 17/08)
 C14B 1/28
·  Machines for treating leather combined with devices for measuring and printing
 C14B 1/30
·  Pressing or rolling leather
 C14B 1/32
·  ·  by linear movement of the pressing elements
 C14B 1/34
·  ·  by rotating movement of the pressing or rolling elements
 C14B 1/36
·  ·  ·  Bridge leather-rolling machines
 C14B 1/38
·  Hammering leather
 C14B 1/40
·  Softening or making skins or leather supple, e.g. by staking, boarding, or crippling machines, by dry mills
 C14B 1/42
·  ·  by means of a rotatable drum with radial blades
 C14B 1/44
·  Mechanical treatment of leather surfaces
 C14B 1/46
·  ·  Fluffing, buffing or sanding
 C14B 1/48
·  ·  Roughening (by sanding C14B 1/46)
 C14B 1/50
·  ·  Glazing
 C14B 1/52
·  ·  Brushing or plush-wheeling
 C14B 1/54
·  ·  Ironing (pressing or rolling C14B 1/30)
 C14B 1/56
·  ·  Ornamenting, producing designs, embossing (pressing or rolling in general C14B 1/30; producing designs on furs C14B 15/12)
 C14B 1/58
·  Drying
 C14B 1/60
·  ·  Pasting processes (pasting boards C14B 1/26; chemical part C14C 7/00)
 C14B 1/62
·  Winding or stacking hides or leather
 C14B 3/00
Milling leather
 C14B 5/00
Clicking, perforating, or cutting leather (for shoe parts, e.g. soles, A43D; apparatus not specially adapted for leather B26D)
 C14B 5/02
·  Stamps or dies for leather articles
 C14B 5/04
·  for making leather belts or strips
 C14B 5/06
·  ·  Machines for cutting strips spirally from discs of leather
 C14B 7/00
Special leathers or their manufacture
 C14B 7/02
·  Composite leathers (with one or more laminae of plastics material B32B)
 C14B 7/04
·  ·  by cementing or pressing together leather pieces, strips, or layers; Reinforcing or stiffening leather by means of reinforcing layers
 C14B 7/06
·  Leather webs built up of interengaged strips or pieces, e.g. by braiding
 C14B 9/00
Making driving belts or other leather belts or strips
 C14B 11/00
Finishing the edges of leather pieces, e.g. by folding, by burning (milling C14B 3/00)
 C14B 13/00
Shredding hides or leather (shredding in general B02C)
 C14B 15/00
Mechanical treatment of furs
 C14B 15/02
·  Shearing; Removing dead or coarse hairs or bristles by shearing or plucking
 C14B 15/04
·  Fur dressing
 C14B 15/06
·  ·  Fur-stretching devices
 C14B 15/08
·  Application of reinforcing or stiffening layers to fur skins
 C14B 15/10
·  Cutting furs; Making fur plates or strips
 C14B 15/12
·  Finishing, e.g. pointing furs; Producing designs or patterns
 C14B 17/00
Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
 C14B 17/02
·  Blading cylinders or other working cylinders, e.g. slicking or scraping cylinders
 C14B 17/04
·  Work-supports or other counter-pressing elements; Bed rolls or counter-pressing rolls
 C14B 17/06
·  Work feeding or clamping devices
 C14B 17/08
·  ·  Fastening devices, e.g. clips for leather-stretching
 C14B 17/10
·  Arrangements for driving parts of leather-working machines
 C14B 17/12
·  Safety devices specially adapted for leather-working machines
 C14B 17/14
·  Auxiliary devices for leather-working machines, e.g. grinding devices for blading cylinders or dust-removal devices combined with the working machines
 C14B 19/00
Hand tools specially adapted for the treatment of hides, skins, or leather in the manufacture of leather or furs (equipment or tools for saddlery B68C)
 C14B 21/00
Splitting intestines; Cutting intestines longitudinally (cleaning or cutting intestines during processing of meat A22C 17/00)