US152908A - Improvement in the processes and apparatus for softening hides - Google Patents
Improvement in the processes and apparatus for softening hides Download PDFInfo
- Publication number
- US152908A US152908A US152908DA US152908A US 152908 A US152908 A US 152908A US 152908D A US152908D A US 152908DA US 152908 A US152908 A US 152908A
- Authority
- US
- United States
- Prior art keywords
- hides
- cylinder
- water
- processes
- improvement
- 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
Links
- 238000000034 method Methods 0.000 title description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000001828 Gelatine Substances 0.000 description 2
- 235000018747 Typha elephantina Nutrition 0.000 description 2
- 240000000913 Typha elephantina Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
Images
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
- C14C1/00—Chemical treatment prior to tanning
- C14C1/02—Curing raw hides
Definitions
- my invention relates to a process and apparatus for softening hides preparatory to tanning; and it consists in snbj ecting the hides, after they have been soaked in water for twenty-four hours, to the action of jets of steam and water in a revolving cylinder of peculiar construction, until the hides will no longer absorb the heated water, when the process is complete, the latter part requirin g from thirty to sixty minutes.
- Figure 1 is a perspective view of my hidesoftening apparatus.
- Fig. 2 is a sectional perspective view, the plane of the section being indicated at as as.
- Fig. 3 is an enlarged perspective view of one of the trunnion-nozzles used for spraying water or jets of steam into the cylinder.
- A represents a frame, in which is hung a metal cylinder, B, its bearings a a being hollow trunnions, which are journaled in boxes I) b of the frame.
- blunt studs and hooks, c are arranged about the periphery, to catch and turn over the hides in the rotation of the cylinder.
- a tight-fitting sliding door, d is arranged in one end of the cylinder, through which the hides may be introduced and removed.
- 0 is a steam-pipe fitted with a valve
- D is a water-pipe, entering in like manner the other trunnion, and terminating in a similar spray-nozzle, f.
- cylinder is rotated by a pinion, g, mounted 011 a driving-shaft journaled in the frame, and which meshes with a spur-gear, g, on the periphery of said cylinder.
- the hides to be treated are first soaked in water for twenty-four hours, and then split in. two for convenience in handling.
- the cylinder is then warmed to a temperature of 150 Fahrenheit, or thereabout, by blowing steam into it and letting it escape through a plugl1ole in the bottom, when the hides are charged in, filling it for about one-fourth its capacity.
- the plug is then put in, the cylinder set in motion, and the steam and water turned on as long as the hides will continue to absorb water, when they should be shut off, the kneading process requiring from thirty to sixty minutes to soften the hides sufticientl y to prepare them for the tanning process.
- a cylinder, B provided with studs and hooks c, as described, the hollow trunnions ci a, journaled in the frame A, the steam-pipe O, and water-pipe D, the several parts being constructed, arranged, and operated substantially as described and shown.
Description
1. n. MARSHALL.
Processes an d Apparatus for Softening Hides. ,N .152,90 PatentedJ u|y14,1874.
1": 6am: in co. Pun 'o LITH,39 I. 41mm PLACE,N.Y,
UNITED STATES PATENT Orrrcn.
JAMES D. MARSHALL, OF CHICAGO, ILLINOIS.
IMPROVEMENT IN THE'PROCESSES AND APPARATUS FOR SOFTENING HIDES.
Specification forming part of Letters Patent No. 152,908, dated July 14, 1874; application filed May 18, 1874.
To all whom it may concern:
Be it known that I, JAMES D. MARSHALL, ofOhicago, in the county of Cook and State of Illinois, have invented an Improved Pro cess andApparatus for Softening Hides, of which the following is a specification:
The nature of my invention relates to a process and apparatus for softening hides preparatory to tanning; and it consists in snbj ecting the hides, after they have been soaked in water for twenty-four hours, to the action of jets of steam and water in a revolving cylinder of peculiar construction, until the hides will no longer absorb the heated water, when the process is complete, the latter part requirin g from thirty to sixty minutes.
Figure 1 is a perspective view of my hidesoftening apparatus. Fig. 2 is a sectional perspective view, the plane of the section being indicated at as as. Fig. 3 is an enlarged perspective view of one of the trunnion-nozzles used for spraying water or jets of steam into the cylinder.
In the drawing, A represents a frame, in which is hung a metal cylinder, B, its bearings a a being hollow trunnions, which are journaled in boxes I) b of the frame. In the interior of the cylinder blunt studs and hooks, c, are arranged about the periphery, to catch and turn over the hides in the rotation of the cylinder. In one end of the cylinder is arranged a tight-fitting sliding door, d, through which the hides may be introduced and removed. 0 is a steam-pipe fitted with a valve,
0, and entering one of the hollow trunnions. It passes through it into the cylinder, where it is fitted with a spray-nozzle, f, drilled with lateral jet-openings. D is a water-pipe, entering in like manner the other trunnion, and terminating in a similar spray-nozzle, f. The
cylinder is rotated by a pinion, g, mounted 011 a driving-shaft journaled in the frame, and which meshes with a spur-gear, g, on the periphery of said cylinder.
The hides to be treated are first soaked in water for twenty-four hours, and then split in. two for convenience in handling. The cylinder is then warmed to a temperature of 150 Fahrenheit, or thereabout, by blowing steam into it and letting it escape through a plugl1ole in the bottom, when the hides are charged in, filling it for about one-fourth its capacity. The plug is then put in, the cylinder set in motion, and the steam and water turned on as long as the hides will continue to absorb water, when they should be shut off, the kneading process requiring from thirty to sixty minutes to soften the hides sufticientl y to prepare them for the tanning process.
No more water should be injected than the hides will absorb, it being desirable to dissolve but not to wash out the gelatine contained in them, while the heat softens them and opens the pores to promote the absorption of water.
WVhat I claim as my invention, and desire to secure by Letters Patent, is
1. In combination, a cylinder, B, provided with studs and hooks c, as described, the hollow trunnions ci a, journaled in the frame A, the steam-pipe O, and water-pipe D, the several parts being constructed, arranged, and operated substantially as described and shown.
2. The method of softening hides by subjecting them simultaneously to the action of steam and water jets in a revolving cylinder, substantially as described.
JAMES D. MARSHALL.
Witnesses WM. H. LoTz, JOHN C. CHURCH.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US152908A true US152908A (en) | 1874-07-14 |
Family
ID=2222319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US152908D Expired - Lifetime US152908A (en) | Improvement in the processes and apparatus for softening hides |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US152908A (en) |
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0
- US US152908D patent/US152908A/en not_active Expired - Lifetime
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