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Tannery machines through the ages. THE SPLITTING MACHINE Walter Landmann. 1768 Manual Knife - Fixed Beam 1777/1806 Oscillating Knife 1808 Band Knife (Patent) 1809 Fixed Knife (also1810, 1876, 1879, 1884, 1983

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tannery machines through the ages
Tannery machines through the ages
  • THE
  • SPLITTING
  • MACHINE
  • Walter Landmann
slide2

1768 Manual Knife - Fixed Beam

  • 1777/1806 Oscillating Knife
  • 1808 Band Knife (Patent)
  • 1809 Fixed Knife (also1810, 1876, 1879, 1884, 1983

1831)

  • ca 1850 Duxburys
  • 1854 Band Knife (Introduced)
  • ca 1856 Classic Band Knife Machine becomes

the standard construction

slide3

1768 English Patent by W.Powers

Shearing Knife and modified

Shearing Board

slide4

1777 English Patent by T.Crawley

Oscillating Knife and

Flat Table

slide5

1806 English Patent by Parr

and the Bevingtons

Oscillating Knife and

Ring Roller Axle

duxburys patent splitter
Duxburys Patent Splitter
  • Rotating Drum with multiple knives and contoured skin feed roller.
duxburys patent splitter1
Duxburys Patent Splitter
  • Knife substance compensating arrangement
duxburys patent splitter2
Duxburys Patent Splitter
  • Feed Roller Profile
duxburys patent splitter3
Duxburys Patent Splitter
  • Side elevation of
  • the machine
slide10

1808 English Patent by W.Newberry

Band saw

– also covers Band knife

(first band knife machine

not until 1854)

slide11

1809 U.S. Patent by S.Boyden

Fixed Knife using crank

leather feed

slide12

1810 English Patent by J.W.Revere

Fixed Knife moving against

clamped leather

slide13

Ca 1810 English Patent by B.Stott

Fixed Knife and traversing

clamping leather holding frame

1876 u s patent by h f osborne
1876 U.S. Patent by H.F.Osborne
  • Fixed Knife and
  • Feed Roller
1879 u s patent by h and j sauerbier
1879 U.S.Patent by H.and J. Sauerbier
  • Fixed Knife and Feed
  • Roller mechanism
1884 u s patent by j t krebs
1884 U.S.Patent by J.T.Krebs
  • Fixed Knife and Feed
  • Rollers
1983 u s patent by j michalik
1983 U.S.Patent by J.Michalik
  • Fixed Knife and Feed Roller
1854 u s patents by j f flanders and j a marden
1854 U.S.Patents by J.F.Flanders and J.A.Marden
  • Band Knife Machines
  • Neck Splitting machine with opening/closing roller feed system
neck splitting machine detail
Neck Splitting Machine Detail
  • Band or Oscillating Knife machine with Feed-out mechanism in closed position
1854 classic configuration
1854 Classic Configuration
  • After so many different attempts this configuration is still the same after more than 150 years!!
slide23

Thank you all for listening – you had to put up with

  • quite a few technical and sometimes fuzzy details.
  • Why have I selected the history of machine
  • splitting – it is special compared with other tannery
  • machine development so often originating purely
  • from technology transfer from other industries.
  • My main sources of information some
  • of them dealing with various aspects of leather
  • and its manufacture:
  • Vintage American Saddle making and leather

working tools

  • Gerbereimaschinen - AC Brill, 1959
  • Engineer's Encyclopaedia – L Herbert, 1849
  • C Osborne and Company
  • Delphin.com ( U.S. And English Patent Offices)

Walter Landmann