US1383740A - Manufacture of insulating fibrous webs for electric-insulation purposes - Google Patents

Manufacture of insulating fibrous webs for electric-insulation purposes Download PDF

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Publication number
US1383740A
US1383740A US267512A US26751218A US1383740A US 1383740 A US1383740 A US 1383740A US 267512 A US267512 A US 267512A US 26751218 A US26751218 A US 26751218A US 1383740 A US1383740 A US 1383740A
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Prior art keywords
manufacture
electric
fibrous webs
insulation purposes
insulating fibrous
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Expired - Lifetime
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US267512A
Inventor
Meyer Walter
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Individual
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Priority to US267512A priority Critical patent/US1383740A/en
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
    • D21H23/40—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper only one side of the paper being in contact with the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
    • H01B3/485—Other fibrous materials fabric
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/54—Rubbing devices, e.g. brush, pad, felt

Definitions

  • varnished paper As used for the fabrication of electric insulation articles, there is generally employed a solution of varnish and the like in alcohol, benzene and other volatile solvents, which is applied in liquid state to the paper web, whereupon the varnish, on passage of the paper web through a drying room or over a drying surface, dried up by elimination of the solvent.
  • Another method consists in using the varnish or other agglutinant in dry state in the form of a powder supplied to the paper web and caused to adhere thereon.
  • the present invention relates to an improved method in the manufacture of such insulating webs, which consists in using the agglutinant in form of a solid block pressed upon a movable web where the same is conveyed over a convenient heating surface, so as to smeltoff and adherently apply the agglutinant to said web.
  • This method is advantageously used in row and the agglutinant block, consequently, relatively short.
  • the agglutinant is employed in the form of a solid bar 6 arranged in a holder 0 and pressed upon the paper web a at the place ner the block or bar I) can be removed from the paper web a; when'it is desired to stop intermittently or wholly theagglutinant supply to the same.
  • the block can be made with the desired length or divided transversely.
  • a process for the manufacture of insulating fibrous webs for electric insulation purposes consisting in yieldingly pressing a solid block of fusible agglutinant insulating material upon one side of a movable web and in applying heat on the other side thereof at the same zone of action so as to smelt off and adherently apply agglutinant material to said web.

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Paper (AREA)

Description

W. MEYER.
MANUFACTURE OF INSULATING FIBBOUS WEBS FOR ELECTRIC INSULATION PURPOSES.
APPLICATION FILED DEC-19, I918.
Patented July 5, 1921.
//vvE/vro/r.' WALTER MEYER iihwwmw NET @TS WALTER MEYER, 0F BUBGDORF, SWITZERLAND.
Specification of Letters Patent.
Patented July 5, 1921.
Application filed December 19, 1913. Serial No. 267,512.
To all whom it'may concern:
Be it known that I, WALTER MEYER, a citizenof the Swiss Republic, and resident of Burgdorf, Switzerland, have invented new and useful Improvements in the Manufacture of Insulating Fibrous Webs for Electric-Insulation Purposes, of which the following is a full, clear, and exact specification.
For the manufacture of varnished paper as used for the fabrication of electric insulation articles, there is generally employed a solution of varnish and the like in alcohol, benzene and other volatile solvents, which is applied in liquid state to the paper web, whereupon the varnish, on passage of the paper web through a drying room or over a drying surface, dried up by elimination of the solvent. Another method consists in using the varnish or other agglutinant in dry state in the form of a powder supplied to the paper web and caused to adhere thereon.
the cases where the web is relatively nar-" The present invention relates to an improved method in the manufacture of such insulating webs, which consists in using the agglutinant in form of a solid block pressed upon a movable web where the same is conveyed over a convenient heating surface, so as to smeltoff and adherently apply the agglutinant to said web.
This method is advantageously used in row and the agglutinant block, consequently, relatively short.
The accompanying drawing illustrates the present invention for coating a paper web.
The agglutinant is employed in the form of a solid bar 6 arranged in a holder 0 and pressed upon the paper web a at the place ner the block or bar I) can be removed from the paper web a; when'it is desired to stop intermittently or wholly theagglutinant supply to the same.
To limit the agglutinant supply area in the direction of the breadth of the web, the block can be made with the desired length or divided transversely.
What I claim is:
A process for the manufacture of insulating fibrous webs for electric insulation purposes, consisting in yieldingly pressing a solid block of fusible agglutinant insulating material upon one side of a movable web and in applying heat on the other side thereof at the same zone of action so as to smelt off and adherently apply agglutinant material to said web.
In witness-whereof I have hereunto signed my name this 18th day of November, 1918, in the presence of two subscribing witnesses.
WALTER MEYER Witnesses:
H. HALEOK', AMAND BRAUN.
US267512A 1918-12-19 1918-12-19 Manufacture of insulating fibrous webs for electric-insulation purposes Expired - Lifetime US1383740A (en)

Priority Applications (1)

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US267512A US1383740A (en) 1918-12-19 1918-12-19 Manufacture of insulating fibrous webs for electric-insulation purposes

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Application Number Priority Date Filing Date Title
US267512A US1383740A (en) 1918-12-19 1918-12-19 Manufacture of insulating fibrous webs for electric-insulation purposes

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US1383740A true US1383740A (en) 1921-07-05

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199490A (en) * 1961-12-13 1965-08-10 Karlik Laddie Device for dispensing, coating and cutting paper webs
US3300334A (en) * 1963-01-21 1967-01-24 Whittaker Corp Coating process for glass fibers and product
US3630802A (en) * 1970-07-13 1971-12-28 Theodore J Dettling Method and apparatus for producing a coated substrate and a laminated product
EP0494672A1 (en) * 1991-01-10 1992-07-15 BHP STEEL (JLA) PTY Ltd Method and apparatus for continuously coating a moving metal strip
US20150239007A1 (en) * 2012-08-23 2015-08-27 Gary S. Selwyn Chemical Stick Finishing Method and Apparatus
WO2020228972A1 (en) * 2019-05-15 2020-11-19 Toss Gmbh & Co. Kg Verpackungssysteme Apparatus and method for coating material webs or sheets with hot glue

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3199490A (en) * 1961-12-13 1965-08-10 Karlik Laddie Device for dispensing, coating and cutting paper webs
US3300334A (en) * 1963-01-21 1967-01-24 Whittaker Corp Coating process for glass fibers and product
US3630802A (en) * 1970-07-13 1971-12-28 Theodore J Dettling Method and apparatus for producing a coated substrate and a laminated product
EP0494672A1 (en) * 1991-01-10 1992-07-15 BHP STEEL (JLA) PTY Ltd Method and apparatus for continuously coating a moving metal strip
US5281435A (en) * 1991-01-10 1994-01-25 John Lysaght (Australia) Limited Continuously coating a moving metal strip
US20150239007A1 (en) * 2012-08-23 2015-08-27 Gary S. Selwyn Chemical Stick Finishing Method and Apparatus
WO2020228972A1 (en) * 2019-05-15 2020-11-19 Toss Gmbh & Co. Kg Verpackungssysteme Apparatus and method for coating material webs or sheets with hot glue

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