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RU2071675C1 - BLACKBOARD - Google Patents

BLACKBOARD Download PDF

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Publication number
RU2071675C1
RU2071675C1 RU94006843/12A RU94006843A RU2071675C1 RU 2071675 C1 RU2071675 C1 RU 2071675C1 RU 94006843/12 A RU94006843/12 A RU 94006843/12A RU 94006843 A RU94006843 A RU 94006843A RU 2071675 C1 RU2071675 C1 RU 2071675C1
Authority
RU
Russia
Prior art keywords
filler
sheets
outer sheets
board
strips
Prior art date
Application number
RU94006843/12A
Other languages
Russian (ru)
Other versions
RU94006843A (en
Inventor
А.Л. Сквирчак
П.Ш. Ланцман
А.В. Дербышев
А.В. Корняков
Original Assignee
Товарищество с ограниченной ответственностью "Веди-СЛ"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Товарищество с ограниченной ответственностью "Веди-СЛ" filed Critical Товарищество с ограниченной ответственностью "Веди-СЛ"
Priority to RU94006843/12A priority Critical patent/RU2071675C1/en
Publication of RU94006843A publication Critical patent/RU94006843A/en
Application granted granted Critical
Publication of RU2071675C1 publication Critical patent/RU2071675C1/en

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  • Drawing Aids And Blackboards (AREA)

Abstract

1. Классная доска, выполненная многослойной и содержащая два наружных листа, по меньшей мере один из которых выполнен с рабочей поверхностью для письма, и размещенный между листами наполнитель из неметаллического материала, отличающаяся тем, что наполнитель выполнен в форме сот.2. Доска по п.1, отличающаяся тем, что она имеет листы из полиэтиленовой пленки, расположенные между наружными листами и наполнителем для термического соединения их между собой.3. Доска по пп. 1 и 2, отличающаяся тем, что между наружными листами по периметру установлена рамка, например, из дерева, при этом наполнитель расположен внутри рамки.4. Доска по пп. 1 - 3, отличающаяся тем, что между наружными листами установлены рейки, а сотовый наполнитель выполнен в виде отдельных блоков, размещенных между рейками.1. A blackboard made of multilayer and containing two outer sheets, at least one of which is made with a working surface for writing, and a filler of a non-metallic material placed between the sheets, characterized in that the filler is made in the form of a honeycomb. The board according to claim 1, characterized in that it has sheets of polyethylene film located between the outer sheets and the filler to thermally bond them together. Board on PP. 1 and 2, characterized in that a frame, for example, made of wood, is installed between the outer sheets around the perimeter, with the filler located inside the frame. Board on PP. 1 - 3, characterized in that strips are installed between the outer sheets, and the honeycomb filler is made in the form of separate blocks placed between the strips.

RU94006843/12A 1994-02-22 1994-02-22 BLACKBOARD RU2071675C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU94006843/12A RU2071675C1 (en) 1994-02-22 1994-02-22 BLACKBOARD

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU94006843/12A RU2071675C1 (en) 1994-02-22 1994-02-22 BLACKBOARD

Publications (2)

Publication Number Publication Date
RU94006843A RU94006843A (en) 1995-10-20
RU2071675C1 true RU2071675C1 (en) 1997-01-10

Family

ID=48434228

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94006843/12A RU2071675C1 (en) 1994-02-22 1994-02-22 BLACKBOARD

Country Status (1)

Country Link
RU (1) RU2071675C1 (en)

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