US2368024A - Method of making sheet material - Google Patents

Method of making sheet material Download PDF

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Publication number
US2368024A
US2368024A US499715A US49971543A US2368024A US 2368024 A US2368024 A US 2368024A US 499715 A US499715 A US 499715A US 49971543 A US49971543 A US 49971543A US 2368024 A US2368024 A US 2368024A
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Prior art keywords
sheet
faces
exposed
adhesive
sizing
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US499715A
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Himmell Henry
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
    • Y10T156/1059—Splitting sheet lamina in plane intermediate of faces

Definitions

  • One of the objects of my invention is to provide a fabric material which is cheap and thin and porous, so that such material can be used for making tea-bags, and for many other purposes.
  • the improved material can be reinforced and made waterproof at separated spots thereof, by means of waterproofing and reinforcing spots of resin.v If desired,- the improved material can be made wholly waterproof by applying a suitable waterproofing resin or the like. If desired the material may be made grease-proof or alcohol-proof with a suitable resin or sizing.
  • the improved m'aterial can be used for making containers and wrappings of all kinds and for all purposes, as a substitute for cheesecloth, etc.
  • I Fig. l is a perspective view of a sheet of.material of a well-known type, said sheet of material having been partially separated into two layers;
  • Fig. 2 is a sectional view on the line 2-2 of Fig. l; v
  • Fig. 3 illustrates a modification of the interior surface of one of said layers invention
  • Fig. i is a sectional view on the line 5-5 of Fig. 3.
  • Garnett machine is according to my in order to make a sheet The primary use of the to comb out foreign sub-- stances from fibrous material, or to reduce waste 40 to fiber form.
  • loose felt has-beenformed, such loose felt is compressed between rolls and it is then sprayed with sizing material upon each exposed face thereof.
  • the thickness about .010 inch and over.
  • Fig. 1 illustrates how a sheet A of such material has been split into two layers of equal width.
  • the outer faces 2 and 3 of said original sheet of material A are month. because they save been provided with
  • the inner faces and drawing which ilknown for many years to use after the of such well-known material is 5 ing or other adhesive.
  • the sheet of matesheet of material A can be-s'plit or separated into more than two layers I After the sheet of material has thus been separated, the internal faces 2a and 3a of the respective layers are treated with sizing, so that said faces 2a and 3a are smooth and compact, like the original outer faces 2 and 3 of the original sheet A.
  • the finished sheet B which is shown in Fig. 4, is extremely thin and porous. It has smooth outer faces 2 and 2a, so that the improved material can be used in place of woven material for making tea-bags and for other purposes in which the material must be permeable to water.
  • improved sheet B can be treated with reinforcing adhesive such as waterproof resins and the like, at separated spots thereof.
  • reinforcing adhesive such as waterproof resins and the like, at separated spots thereof.
  • Such waterproofing adhesive may be applied in order to waterproof the-entire sheet B.
  • The'sizing can be applied to the original outer faces 2 and 3 by means of a. spraying operation.
  • the additional sizing can be sprayed upon the inner faces 2a and 3a, in a separate operation, after the original sheet A has been separated into two or more layers. If desired. the additional sizing can be sprayed upon the internal faces 2:: and 3a during the operation of splitting the original sheet into two or more sheets. After the original sheet A has been split, the final sheets can be compressed between rolls before spraying or otherwise applying the additional sizing to the newly exposed outer faces.
  • said adhesive is substantially confined adjacent 2 and 3, so that the interof said original sheet A has A is either wholly or partially free from the siz- It'is thus possible easily 2 2,368,024 to split the original sheet A into two or more exposed faces of said sheet of material by means sub-sheets, such as the sheets B. of adhesive to make said newly-exposed faces I have described a preferred embodiment of smooth and compact.
  • a method of forming a sheet of material changes and omission and additions can be 5 which consists in interlacing fibers to form a made without departing from its scope.
  • a method of forming a sheet of material said exposed faces by adhesive to make said exwhich consists in interlacing fibers to form a posed faces smooth and compact, while leaving felted original sheet which has opposed exposed 10 said interlaced fibers unconnected by said adfaces, connecting said interlaced fibers adjahesive at the interior of said sheet, splitting said cent said exposed faces by means of adhesive to original sheet at said interior to form two split make said exposed faces smooth and 00111138.

Description

Jan. 23, 1945. H, LL $368,024
METHOD OF MAKING SHEET MATERIAL Filed Aug. 23, 1943 INVENTOR. HENRY H/MMELL BY M M ATTORNEY5 of making the same.
STATES PATENT orrica Mn'rnon OF MAKING sneer MATERIAL Henry Himmell, New York, N. Y.
Application August as, 1943, Serial No. 499,715
Z'Claims.
relates to a new and improved My invention fabric material and a new and improved method One of the objects of my invention is to provide a fabric material which is cheap and thin and porous, so that such material can be used for making tea-bags, and for many other purposes. If desired, the improved material can be reinforced and made waterproof at separated spots thereof, by means of waterproofing and reinforcing spots of resin.v If desired,- the improved material can be made wholly waterproof by applying a suitable waterproofing resin or the like. If desired the material may be made grease-proof or alcohol-proof with a suitable resin or sizing.
in addition to other uses, the improved m'aterial can be used for making containers and wrappings of all kinds and for all purposes, as a substitute for cheesecloth, etc.
Other object of my invention will be stated in I the annexed description lustrates a preferred embodiment thereof. I Fig. l is a perspective view of a sheet of.material of a well-known type, said sheet of material having been partially separated into two layers;
Fig. 2 is a sectional view on the line 2-2 of Fig. l; v
' Fig. 3 illustrates a modification of the interior surface of one of said layers invention; and
Fig. i is a sectional view on the line 5-5 of Fig. 3.
It has been well the Garnett machine of fabric material. Garnett machine is according to my in order to make a sheet The primary use of the to comb out foreign sub-- stances from fibrous material, or to reduce waste 40 to fiber form.
When a variation of this well-known machine is rapidly operated on cotton fibers, such machine causes the cotton fibers to interlace, in
order to form a loose felt.
In the operation of this machine, loose felt has-beenformed, such loose felt is compressed between rolls and it is then sprayed with sizing material upon each exposed face thereof. The thickness about .010 inch and over.
. Fig. 1 illustrates how a sheet A of such material has been split into two layers of equal width. The outer faces 2 and 3 of said original sheet of material A are month. because they save been provided with The inner faces and drawing which ilknown for many years to use after the of such well-known material is 5 ing or other adhesive.
of said two layers are -rough or fibrous, because in making such well-known material, the sizing does not penetrate very deeply into the interior of the sheet A.
According to my invention, the sheet of matesheet of material A can be-s'plit or separated into more than two layers I After the sheet of material has thus been separated, the internal faces 2a and 3a of the respective layers are treated with sizing, so that said faces 2a and 3a are smooth and compact, like the original outer faces 2 and 3 of the original sheet A.
The finished sheet B which is shown in Fig. 4, is extremely thin and porous. It has smooth outer faces 2 and 2a, so that the improved material can be used in place of woven material for making tea-bags and for other purposes in which the material must be permeable to water. The
improved sheet B can be treated with reinforcing adhesive such as waterproof resins and the like, at separated spots thereof. Such waterproofing adhesive ma be applied in order to waterproof the-entire sheet B.
It is necessary to size each exposed face of the original sheet A, sothat said sheet A will have the necessary strength in order to make it possible to split the same in 0 two or more thinner pieces.
The'sizing can be applied to the original outer faces 2 and 3 by means of a. spraying operation. The additional sizing can be sprayed upon the inner faces 2a and 3a, in a separate operation, after the original sheet A has been separated into two or more layers. If desired. the additional sizing can be sprayed upon the internal faces 2:: and 3a during the operation of splitting the original sheet into two or more sheets. After the original sheet A has been split, the final sheets can be compressed between rolls before spraying or otherwise applying the additional sizing to the newly exposed outer faces.
When the exposed faces 2 and 3 of the original sheet of material A are treated with adhesive,
said adhesive is substantially confined adjacent 2 and 3, so that the interof said original sheet A has A is either wholly or partially free from the siz- It'is thus possible easily 2 2,368,024 to split the original sheet A into two or more exposed faces of said sheet of material by means sub-sheets, such as the sheets B. of adhesive to make said newly-exposed faces I have described a preferred embodiment of smooth and compact.
my invention, but it is clear that numerous 2. A method of forming a sheet of material changes and omission and additions can be 5 which consists in interlacing fibers to form a made without departing from its scope. felted original sheet which has opposed exposed I claim: faces, connecting said interlaced fibers adjacent 1. A method of forming a sheet of material said exposed faces by adhesive to make said exwhich consists in interlacing fibers to form a posed faces smooth and compact, while leaving felted original sheet which has opposed exposed 10 said interlaced fibers unconnected by said adfaces, connecting said interlaced fibers adjahesive at the interior of said sheet, splitting said cent said exposed faces by means of adhesive to original sheet at said interior to form two split make said exposed faces smooth and 00111138. 2, sheets, compressing said split sheets, applying while leaving said interlaced fibers unconnected sizing to the unsized faces of said compressed by said adhesive at the interior of the sheet, and is split sheets to make said last-mentioned faces splitting said original sheet at said interior, and smooth and compact. connecting the interlaced fibers at the newlyv HENRY HIMMEIL.
US499715A 1943-08-23 1943-08-23 Method of making sheet material Expired - Lifetime US2368024A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737597A (en) * 1953-05-01 1956-03-06 Louis J Strobino Protective shield and method of making same
US2947419A (en) * 1955-05-26 1960-08-02 Bendix Aviat Corp Filter and method of making
US3245822A (en) * 1961-06-12 1966-04-12 Wood Marc Sa Method for manufacturing thin sheet filter media
US4179274A (en) * 1976-01-07 1979-12-18 Moon William F Respirator filter and method of making the same
US5116439A (en) * 1989-02-13 1992-05-26 Sponge-Cushion, Inc. Method and product for floor covering installation and removal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2737597A (en) * 1953-05-01 1956-03-06 Louis J Strobino Protective shield and method of making same
US2947419A (en) * 1955-05-26 1960-08-02 Bendix Aviat Corp Filter and method of making
US3245822A (en) * 1961-06-12 1966-04-12 Wood Marc Sa Method for manufacturing thin sheet filter media
US4179274A (en) * 1976-01-07 1979-12-18 Moon William F Respirator filter and method of making the same
US5116439A (en) * 1989-02-13 1992-05-26 Sponge-Cushion, Inc. Method and product for floor covering installation and removal

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