US2275227A - Method of producing lace strips - Google Patents

Method of producing lace strips Download PDF

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Publication number
US2275227A
US2275227A US372940A US37294041A US2275227A US 2275227 A US2275227 A US 2275227A US 372940 A US372940 A US 372940A US 37294041 A US37294041 A US 37294041A US 2275227 A US2275227 A US 2275227A
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strip
fabric
forming portions
strips
solvent
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US372940A
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Kaminow Nathan
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/22—Severing by heat or by chemical agents
    • D06H7/226—Severing by heat or by chemical agents by chemical agents
    • D06H7/228—Severing by heat or by chemical agents by chemical agents using dissolvable separator yarns

Definitions

  • This invention relates to the simultaneous manufacture of fabric strips such as cotton, linen, silk or viscose laces.
  • fabric strips such as cotton, linen, silk or viscose laces.
  • I-Ieretofore it has been the gen- -eral practice to produce netted fabric strips of this nature by netting a fabric made up of a plurality of longitudinally extending strip-forming portions joined together in side by side relation by threads of the same material as that from which the fabric is made and then to subsequently separate the strip-forming portions by cutting and drawing out sections of the connecting thread to separate the strip-forming portions of the fabric from each other to produce the separate strips.
  • This method entails a considerable amount of time and labor and frequently results in distortion or puckering of the strips.
  • the present invention is directed to an improved method which consists in producing a netted fabric made up of a plurality of longitudinally extending stripforming portions joined together in side by side relation by a soluble connection between the adjacent edges of adjacent strip-forming portions and then subjecting said fabric to the action of a solvent for said connection so as to dissolve the same and thereby disconnect said strip-forming portions into a plurality of separate strips.
  • the invention more particularly comprehends a method of simultaneously manufacturing a large number of netted fabric strips which consists in producing a netted fabric made up of a plurality of longitudinally extending strip-forming portions of a material insoluble in cellulose ester solvents and with the strip-forming portions secured together in side by side relation by a connection soluble in cellulose ester solvents and then subjecting the fabric to the, action of a solvent for dissolving the soluble connection between the strip-forming portions.
  • Fig. 1 is a fragmentary plan view of a. nettedfabric constructed in accordance with the invention and illustrating the strip-forming portions secured together by a solvent connection.
  • Fig. 2 is a diagrammatic sectional perspective view illustrating the manner in which the fabric is subjected to the action of the solvent and the strip-forming portions separated and wound.
  • the usual lace making machine may be employed to produce a netted fabric I which is made up of a plurality of strip-forming portions II disposed in side by side relation and joined together longitudinally thereof by threads I2 which connect the adjacent edges of adjacent strip-forming portions I I.
  • the netted fabric IIJ consists of three strip-forming portions II but as produced, the same is of a width to provide a large number of such portions which are of a width corresponding to the setting of the machine.
  • the netted fabric Ill may be of a width to provide one hundred and two such strip-forming portions.
  • the stripforming portions II are of a material insoluble in cellulose ester solvents, such as cotton, linen, silk or viscose threads or combinations thereof, while the connecting threads I2 are soluble in cellulose ester solvents such as acetone, chloroform, alcohol-ether, methyl acetate and amyl acetate depending upon the character of the threads used which may be cellulose acetate or cellulose nitrate.
  • cellulose ester solvents such as cotton, linen, silk or viscose threads or combinations thereof
  • the connecting threads I2 are soluble in cellulose ester solvents such as acetone, chloroform, alcohol-ether, methyl acetate and amyl acetate depending upon the character of the threads used which may be cellulose acetate or cellulose nitrate.
  • the netted fabric II! is subjected to the action of a cellulose ester solvent in any desired manner, such as by immersing the same therein, but as illustrated, the fabric is drawn between revolving rollers I I and I5 each of which is surrounded by a sheath I6 of felt or other absorbent material.
  • the rollers I4 and I5 are journaled for rotation in juxtaposition to a receptacle I! for containing the solvent with the lower portion of the lower roller I4 of each pair immersed in-the solvent which is taken up by the absorbent sheaths and applied to the fabric.
  • the connecting connecting threads I2 being subjected to the action of said solvent, readily dissolve so as to disconnect the strip-forming portions II into a plurality of separate strips which are wound upon a roller I8 journaled for rotation in timed relation with the rollers I4 and I5.
  • the roller I8 may be driven by any desired means so as to wind the lace strips thereon and draw the fabric I0 between one or more pairs of the rollers I4 and I5.
  • a netted fabric made up of a quantity of longitudinally extending strip-forming portions disposed in side by side relation and of a material insoluble in cellulose ester solvents and with the strip-forming portions secured together longitudinally thereof by a connection joining adjacent edges of adjacent strip-forming portions and of a material soluble in cellulose ester solvents and thereafter passing said fabric between absorbent surfaced rollers coated with a cellulose ester solvent for applying toand dissolving the connection joining the adjacent edges of said stripforming portions and then separating said stripforming portions in spaced apart relation and winding the same upon a member rotating in timed relation with said rollers.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Description

March 3, 1942. N. KAMINOW' METHOD OF PRODUCING LA' CE STRIPS Filed Jan. 2. 1941 I 1NVENTOR.
/,V/? T/M/Y KAN/Ivan BY gMrW 2 A TTO/WVEYS Patented Mar. 3, 1942 UNITED STATES PATENT OFFICE METHOD OF PRODUCING LACE srmrs Nathan Kaminow, Long Beach, N. Y. Application January 2, 1941, Serial No. 372,940
1 Claim.
This invention relates to the simultaneous manufacture of fabric strips such as cotton, linen, silk or viscose laces. I-Ieretofore, it has been the gen- -eral practice to produce netted fabric strips of this nature by netting a fabric made up of a plurality of longitudinally extending strip-forming portions joined together in side by side relation by threads of the same material as that from which the fabric is made and then to subsequently separate the strip-forming portions by cutting and drawing out sections of the connecting thread to separate the strip-forming portions of the fabric from each other to produce the separate strips. This method entails a considerable amount of time and labor and frequently results in distortion or puckering of the strips.
7 In order to overcome the objections and disadvantages of the aforementioned method, the present invention is directed to an improved method which consists in producing a netted fabric made up of a plurality of longitudinally extending stripforming portions joined together in side by side relation by a soluble connection between the adjacent edges of adjacent strip-forming portions and then subjecting said fabric to the action of a solvent for said connection so as to dissolve the same and thereby disconnect said strip-forming portions into a plurality of separate strips.
The invention more particularly comprehends a method of simultaneously manufacturing a large number of netted fabric strips which consists in producing a netted fabric made up of a plurality of longitudinally extending strip-forming portions of a material insoluble in cellulose ester solvents and with the strip-forming portions secured together in side by side relation by a connection soluble in cellulose ester solvents and then subjecting the fabric to the, action of a solvent for dissolving the soluble connection between the strip-forming portions.
With the foregoing and other objects in View, reference is now made to the following specification and accompanying drawing in which:
Fig. 1 is a fragmentary plan view of a. nettedfabric constructed in accordance with the invention and illustrating the strip-forming portions secured together by a solvent connection.
Fig. 2 is a diagrammatic sectional perspective view illustrating the manner in which the fabric is subjected to the action of the solvent and the strip-forming portions separated and wound.
In, carrying out the method, the usual lace making machine, not shown, may be employed to produce a netted fabric I which is made up of a plurality of strip-forming portions II disposed in side by side relation and joined together longitudinally thereof by threads I2 which connect the adjacent edges of adjacent strip-forming portions I I. By way of illustration, the netted fabric IIJ consists of three strip-forming portions II but as produced, the same is of a width to provide a large number of such portions which are of a width corresponding to the setting of the machine. In a machine set for producing stripforming portions of approximately one inch in width, the netted fabric Ill may be of a width to provide one hundred and two such strip-forming portions.
In accordance with the invention, the stripforming portions II are of a material insoluble in cellulose ester solvents, such as cotton, linen, silk or viscose threads or combinations thereof, while the connecting threads I2 are soluble in cellulose ester solvents such as acetone, chloroform, alcohol-ether, methyl acetate and amyl acetate depending upon the character of the threads used which may be cellulose acetate or cellulose nitrate.
The netted fabric II! is subjected to the action of a cellulose ester solvent in any desired manner, such as by immersing the same therein, but as illustrated, the fabric is drawn between revolving rollers I I and I5 each of which is surrounded by a sheath I6 of felt or other absorbent material. The rollers I4 and I5 are journaled for rotation in juxtaposition to a receptacle I! for containing the solvent with the lower portion of the lower roller I4 of each pair immersed in-the solvent which is taken up by the absorbent sheaths and applied to the fabric. The connecting connecting threads I2 being subjected to the action of said solvent, readily dissolve so as to disconnect the strip-forming portions II into a plurality of separate strips which are wound upon a roller I8 journaled for rotation in timed relation with the rollers I4 and I5. The solvent taken up by the rollers, together with the solution resulting from the dissolving of the connecting threads in the solvent, is returned to the receptacle II by the continuous turning of the rollers and the supply of solvent in the receptacle replenished as required. The roller I8 may be driven by any desired means so as to wind the lace strips thereon and draw the fabric I0 between one or more pairs of the rollers I4 and I5.
What is claimed is:
In a method of simultaneously producing a quantity of lace strips, the steps of manufacturing a netted fabric made up of a quantity of longitudinally extending strip-forming portions disposed in side by side relation and of a material insoluble in cellulose ester solvents and with the strip-forming portions secured together longitudinally thereof by a connection joining adjacent edges of adjacent strip-forming portions and of a material soluble in cellulose ester solvents and thereafter passing said fabric between absorbent surfaced rollers coated with a cellulose ester solvent for applying toand dissolving the connection joining the adjacent edges of said stripforming portions and then separating said stripforming portions in spaced apart relation and winding the same upon a member rotating in timed relation with said rollers.
NATHAN KAIVHNOW.
US372940A 1941-01-02 1941-01-02 Method of producing lace strips Expired - Lifetime US2275227A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322868A (en) * 1963-07-02 1967-05-30 Douglas Aircraft Co Inc Three dimensional reinforced structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3322868A (en) * 1963-07-02 1967-05-30 Douglas Aircraft Co Inc Three dimensional reinforced structure

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