CH517004A - Method of making a school blackboard - Google Patents

Method of making a school blackboard

Info

Publication number
CH517004A
CH517004A CH425170A CH425170A CH517004A CH 517004 A CH517004 A CH 517004A CH 425170 A CH425170 A CH 425170A CH 425170 A CH425170 A CH 425170A CH 517004 A CH517004 A CH 517004A
Authority
CH
Switzerland
Prior art keywords
making
school blackboard
blackboard
school
Prior art date
Application number
CH425170A
Other languages
German (de)
Inventor
Weyel Karl-Hermann
Original Assignee
Schulwandtafelfabrik Walter We
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 Schulwandtafelfabrik Walter We filed Critical Schulwandtafelfabrik Walter We
Publication of CH517004A publication Critical patent/CH517004A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • C09J5/08—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers using foamed adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/04—Blackboards
    • B43L1/06—Blackboards rigid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Drawing Aids And Blackboards (AREA)
CH425170A 1969-03-31 1970-03-20 Method of making a school blackboard CH517004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691916397 DE1916397A1 (en) 1969-03-31 1969-03-31 school board

Publications (1)

Publication Number Publication Date
CH517004A true CH517004A (en) 1971-12-31

Family

ID=5729867

Family Applications (1)

Application Number Title Priority Date Filing Date
CH425170A CH517004A (en) 1969-03-31 1970-03-20 Method of making a school blackboard

Country Status (7)

Country Link
AT (1) AT304299B (en)
BE (1) BE748235A (en)
CA (1) CA931350A (en)
CH (1) CH517004A (en)
DE (1) DE1916397A1 (en)
FR (1) FR2036012A1 (en)
NL (1) NL7004171A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024998A1 (en) * 2006-05-30 2007-12-06 Jakob Maul Gmbh Whiteboard, pin board, magnet board, moderator board or partition wall, comprises a core having two-component foam and a surface material arranged on a side of the core, and a frame element arranged at a narrow side of the board

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3068483D1 (en) * 1980-02-01 1984-08-16 Weyel Kg Writing board, in particular large wallboard
DE3023067A1 (en) * 1980-06-20 1982-01-14 Hohenloher Spezialmöbelwerk Schaffitzel GmbH + Co, 7110 Öhringen Large sized blackboard with middle writing surface - has centre boards with circumferential plastics edges protruding outwards and rounded
BE1010840A3 (en) * 1997-01-10 1999-02-02 Vanerum Naamloze Vennootschap Writing board
FR2839922B1 (en) * 2002-05-23 2004-09-24 Dechefer Ets DRY ERASABLE BOARD AND MANUFACTURING METHOD THEREOF
CH699483A1 (en) * 2008-09-01 2010-03-15 Troesch Glas Ag Re-writable ferromagnetic device e.g. writing board marking device, for presentation and teaching purpose in e.g. school, has front glass plate whose thickness is made to be small such that attractive force stays at active surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006024998A1 (en) * 2006-05-30 2007-12-06 Jakob Maul Gmbh Whiteboard, pin board, magnet board, moderator board or partition wall, comprises a core having two-component foam and a surface material arranged on a side of the core, and a frame element arranged at a narrow side of the board

Also Published As

Publication number Publication date
AT304299B (en) 1972-12-27
CA931350A (en) 1973-08-07
BE748235A (en) 1970-08-31
DE1916397A1 (en) 1971-01-07
NL7004171A (en) 1970-10-02
FR2036012A1 (en) 1970-12-24

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Legal Events

Date Code Title Description
PL Patent ceased