|  | C |
SECTION C — CHEMISTRY AND METALLURGY

|  | C |
Note(s) Definitions for Section C: 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 AND PROCESSING OF SKINS, HIDES, AND LEATHER IN GENERAL; PELT- SHEARING MACHINES; INTESTINE-SPLITTING MACHINES (making leather substitutes Fulltext... Hierarchy... Expanded...B29J 1/04, Fulltext... Hierarchy... Expanded...D06N; making articles from leather Fulltext... Hierarchy... Expanded...B68F; mechanical cleaning of hides or the like Fulltext... Hierarchy... Expanded...D06G; artificial leather Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...C14B 15/02)

|  | C14B 1/26 |
· | Leather tensioning or stretching frames; Stretching-machines; Setting-out boards; Pasting boards (pasting processes Fulltext... Hierarchy... Expanded...C14B 1/60; fastening devices Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...C14B 1/46)

|  | C14B 1/50 |
· · | Glazing

|  | C14B 1/52 |
· · | Brushing or plush-wheeling

|  | C14B 1/54 |
· · | Ironing (pressing or rolling Fulltext... Hierarchy... Expanded...C14B 1/30)

|  | C14B 1/56 |
· · | Ornamenting, producing designs, embossing (pressing or rolling in general Fulltext... Hierarchy... Expanded...C14B 1/30; producing designs on furs Fulltext... Hierarchy... Expanded...C14B 15/12)

|  | C14B 1/58 |
· | Drying

|  | C14B 1/60 |
· · | Pasting processes (pasting boards Fulltext... Hierarchy... Expanded...C14B 1/26; chemical part Fulltext... Hierarchy... Expanded...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, Fulltext... Hierarchy... Expanded...A43D; apparatus not specially adapted for leather Fulltext... Hierarchy... Expanded...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 and their manufacture

|  | C14B 7/02 |
· | Composite leathers (with one or more laminae of plastics material Fulltext... Hierarchy... Expanded...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 Fulltext... Hierarchy... Expanded...C14B 3/00)

|  | C14B 13/00 |
Shredding hides or leather (shredding in general Fulltext... Hierarchy... Expanded...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 and furs (equipment and tools for saddlery Fulltext... Hierarchy... Expanded...B68C)

|  | C14B 21/00 |
Splitting intestines; Cutting intestines longitudinally (cleaning or cutting intestines during processing of meat Fulltext... Hierarchy... Expanded...A22C 17/00)