AUDITORIUM BLACKBOARD Russian patent published in 1998 - IPC

Abstract RU 2101189 C1

FIELD: educational equipment. SUBSTANCE: invention deals with multifunctional blackboard for writing with chalk containing chalk panel joined through permanent connection with basis executed from wood fiber material. According to invention, chalk panel is made of elastic material based on polyvinylchloride waste, 70-90 wt %, and rubber compound, 10-30 wt %, and is joined with basis by way of heating elastic material to melting point under pressure. EFFECT: low weight, required hardness of chalk panel, non-expensive starting materials, simplicity and reliability in operation. 2 cl, 2 dwg

Similar patents RU2101189C1

Title Year Author Number
AUDITORIUM BOARD 1997
  • Golovanchikov A.B.
  • Kostjukova T.A.
  • Ol'Shevskaja I.V.
RU2108916C1
METHOD OF PROCESSING RUBBER-CURE WASTES OF HIGH-MOLECULAR SILOXANE RUBBERS 1995
  • Lukasik V.A.
  • Zhirnov A.G.
  • Antsupov Ju.A.
  • Golovanchikov A.B.
  • Zhirnov R.A.
  • Delakov A.E.
RU2086577C1
RAW MIX FOR PRODUCTS FROM COMPOSITE MATERIALS 1997
  • Golovanchikov A.B.
  • Zhirnov A.G.
  • Lukasik V.A.
  • Antsupov Ju.A.
  • Zhirnov R.A.
  • Tuzhikov O.O.
  • D'Jachenko M.N.
RU2116281C1
METHOD OF SURFACE MODIFICATION OF RESINS 1997
  • Antsupov Ju.A.
  • Lukasik V.A.
  • Ogrel' A.M.
  • Zhirnov A.G.
  • Poljakov P.V.
  • D'Jachenko M.N.
RU2129128C1
GRINDING APPARATUS 2001
  • Lukasik V.A.
  • Antsupov Ju.A.
  • Zheltobrjukhov V.F.
  • Zhirnov A.G.
  • Lopastejskaja T.I.
  • Shekhovtsov A.A.
RU2205695C2
METHOD OF SUPERFICIALLY MODIFYING RUBBERS 1999
  • Antsupov Ju.A.
  • Golovanchikov A.B.
  • D'Jachenko M.N.
  • Zhirnov A.G.
  • Lukasik V.A.
  • Ogrel' A.M.
  • Semernja E.P.
RU2169159C2
SEPARATOR FOR GROUND RUBBER-CLOTH MATERIALS 1994
  • Zhirnov A.G.
  • Lukasik V.A.
  • Golovanchikov A.B.
  • Gladyshev E.G.
  • Zhirnov R.A.
  • Delakov A.E.
RU2071844C1
MOLDABLE RUBBER-FIBROUS COMPOSITION 2000
  • Antsupov Ju.A.
  • Lukasik V.A.
  • Golovanchikov A.B.
  • Zheltobrjukhov V.F.
  • Zhirnov A.G.
  • Lopastejskaja T.I.
  • Staroverkina N.N.
  • Shipovskij I.Ja.
RU2202564C2
VULCANIZABLE RUBBER MIX BASED ON POLAR CARBOCHAIN UNSATURATED RUBBER 1996
  • Krasil'Nikova K.F.
  • Kozlov M.O.
  • Zimina Ju.A.
  • No B.I.
  • Demidov D.V.
  • Krjukov I.E.
RU2126024C1

RU 2 101 189 C1

Authors

Antsupov Ju.A.

Golovanchikov A.B.

Zhirnov A.G.

Lukasik V.A.

Zhirnov R.A.

Kulik D.G.

Dates

1998-01-10Published

1996-04-02Filed