US895868A - Bar for stretching-machines. - Google Patents

Bar for stretching-machines. Download PDF

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Publication number
US895868A
US895868A US40980708A US1908409807A US895868A US 895868 A US895868 A US 895868A US 40980708 A US40980708 A US 40980708A US 1908409807 A US1908409807 A US 1908409807A US 895868 A US895868 A US 895868A
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United States
Prior art keywords
bar
bars
stretching
machines
silk
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Expired - Lifetime
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US40980708A
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Charles H Knapp
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H71/00—Moistening, sizing, oiling, waxing, colouring or drying filamentary material as additional measures during package formation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the invention relates to the bars or poles employed in subjected to the strains induced by the drying operation; and the object of the invention is to provide a bar which shall be light, impervious to moisture, unaffected by the acids and chemicals used in the dyeing processes, and which shall present a smooth surface to the silk fibers, and maintain the desired straight cylindrical form.
  • the invention consists in certain novel feaby which the above objects are attained, to be hereafter described.
  • Figure l is a side elevation, partly in vertical section, showing a ortion of a stretching machine equipped witi the improved bars.
  • Fig. 2 is a corresponding elevation showing the ends of a pair of bars and the arms with which they are engaged.
  • Fig. 3 is a side elevation of one of the bars on a larger scale, partly in longitudinal central section.
  • Fig. 4 is a transverse section of one of the bars on a still larger scale.
  • the bars heretofore employed for this purpose are cylindrical billets of wood, usually about two inch'es in diameter and of a length corres onding to the arms of the machine, in a mac iine of the character illustrated they are usually about twentyfour inches. bars absorb moisture from the silk and other sources which raises thel grain of the wood and tends thus to entangle or catch the fibers of silk and also tends to Warp or distort the bars. Metal is objectionable on account of its weight and cost and its liability indicate the to stain the silk as the result of corrosion by county of Passaic and State off, core A of wood inclosed in a casing B of suitand i able material to provide the desired qualities and surface.
  • the fiber casing is (produced in the form of a tube having an internal diameter just sufficient to receive the core A fitted snugly therein.
  • This material is comparatively inexpensive, ofers a hard smooth surface which improves with use and handling, and is not affected by the dyes. Its resistance to moisture protects the inclosed core, and its weight is but little greater than a corresponding volume of hard wood.
  • the casing B may be quite thin but should be sufficient to resist the strains of compression to which the bar is subjected and protect the inclosed core frommoisture.

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  • Treatment Of Fiber Materials (AREA)

Description

No. 895,868. I PATENTBD AUG. 11, 1,908.
0. H. KNAPP.- BAR POR STRETGHING MACHINES.
APPLICATION FILED JAN. 8, 1908.
' tures of construction UNITED STATES yPATENT OFFIOE.
CHARLES H. KNAPIJ, OF PATERSON, NEW JERSEY.
BAR FOB STRETCHING-MACHINES.
To all whom 'it mayvconcern:
Be it known that I, CHAELEs Specification of Letters Patent.
Patented Aug. 11, 1908.
Application led January 8, 1908. Serial No. 409,807.
the acids in the dyes. These objectionable l H. KNAPP, a j features are successfully overcome 1n my 1mcitizen of theUnited States,residing-inPater- 'jproved bar which comprises a cylindrical son, in the New Jersey, have invented a certain new .useful Improvement in Bars for Stretching- Machines, of which the following is a specification.
The invention relates to the bars or poles employed in subjected to the strains induced by the drying operation; and the object of the invention is to provide a bar which shall be light, impervious to moisture, unaffected by the acids and chemicals used in the dyeing processes, and which shall present a smooth surface to the silk fibers, and maintain the desired straight cylindrical form.
The invention consists in certain novel feaby which the above objects are attained, to be hereafter described.
The accompanying drawings form a part of this specification and show the invention as it has been carried out in practice.
^ Figure l is a side elevation, partly in vertical section, showing a ortion of a stretching machine equipped witi the improved bars. Fig. 2 is a corresponding elevation showing the ends of a pair of bars and the arms with which they are engaged. Fig. 3 is a side elevation of one of the bars on a larger scale, partly in longitudinal central section. Fig. 4 is a transverse section of one of the bars on a still larger scale.
Similar letters of reference same parts in all the figures.
The bars heretofore employed for this purpose are cylindrical billets of wood, usually about two inch'es in diameter and of a length corres onding to the arms of the machine, in a mac iine of the character illustrated they are usually about twentyfour inches. bars absorb moisture from the silk and other sources which raises thel grain of the wood and tends thus to entangle or catch the fibers of silk and also tends to Warp or distort the bars. Metal is objectionable on account of its weight and cost and its liability indicate the to stain the silk as the result of corrosion by county of Passaic and State off, core A of wood inclosed in a casing B of suitand i able material to provide the desired qualities and surface. Various materials will serve for the casing, such as celluloid, but my experiments indicate the composition used purposes in elecextensively for insulating stretching and lustering dyed j trical work and known as induratcd fiberH silk, to support the skeins while the latter are as being best adapted for the purpose.
The fiber casing is (produced in the form of a tube having an internal diameter just sufficient to receive the core A fitted snugly therein. This material is comparatively inexpensive, ofers a hard smooth surface which improves with use and handling, and is not affected by the dyes. Its resistance to moisture protects the inclosed core, and its weight is but little greater than a corresponding volume of hard wood.
I have shown the bars stretching machine having upper and lower arms M1 radiating from central bosses M which are forced apart by a screw N, but it will be understood that the type of machine is not important. The arms M1 are slightly grooved to receive the bars and are sulficiently narrower Vthan the latter to insure against contact therewith of the skeins L carried by the bars.
The casing B may be quite thin but should be sufficient to resist the strains of compression to which the bar is subjected and protect the inclosed core frommoisture.
I claim In a machine of the as serving with a character described, a
j fiber snugly fitted thereto, combined with an arm grooved to receive said bar and narrower than the latter to insure contact therewith of the skeins carried .by the bar.
In testimony that I claim the invention above set forth I affix my signature, in presence of two witnesses.
oHAELEs n. KNAPP.
Witnesses:
CORNELIUS PoELsTEA, CORNELIUS A. KENDEICK.
US40980708A 1908-01-08 1908-01-08 Bar for stretching-machines. Expired - Lifetime US895868A (en)

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US40980708A US895868A (en) 1908-01-08 1908-01-08 Bar for stretching-machines.

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US40980708A US895868A (en) 1908-01-08 1908-01-08 Bar for stretching-machines.

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