DE933377C - Board wiper - Google Patents

Board wiper

Info

Publication number
DE933377C
DE933377C DER8010A DER0008010A DE933377C DE 933377 C DE933377 C DE 933377C DE R8010 A DER8010 A DE R8010A DE R0008010 A DER0008010 A DE R0008010A DE 933377 C DE933377 C DE 933377C
Authority
DE
Germany
Prior art keywords
board wiper
liquid
sleeve
board
insert
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DER8010A
Other languages
German (de)
Inventor
Fritz Roeder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DER8010A priority Critical patent/DE933377C/en
Application granted granted Critical
Publication of DE933377C publication Critical patent/DE933377C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B43L21/00—Blackboard or slate cleaning devices

Landscapes

  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Description

Der Tafelwischer nach der Erfindung unterscheidet sich von dem im Patent 882048 beschriebenen Tafelwischer dadurch, daß er im Gebrauch noch betriebssicherer ist. Er besteht wie der Tafelwischer des Hauptpatents aus einer die Flüssigkeit aufnehmenden Hülse mit abnehmbarer Verschlußkappe und einem Einsatz aus flüssigkeitsundurchlässigem und ,gut wischendem Material, wobei gemäß der Erfindung dieser Einsatz in einer an der Innenwand der Hülse satt anliegenden Führungshülse eingelegt ist und außerdem die Verschlußkappe eine Bohrung zum Ausgleich des Luftdruckes aufweist.The board wiper according to the invention differs from the board wiper described in patent 882048 in that it is even more reliable in use. Like the board wiper of the main patent, it consists of a liquid-absorbing sleeve with a removable cap and an insert made of liquid-impermeable and well-wiping material; Has bore to compensate for the air pressure.

Der Tafelwischer nach der Erfindung kann nicht nur zum Auslöschen von Schriftzeichen auf einer Tafel, sondern darüber hinaus überall da gebraucht werden, wo Flüssigkeiten zu übertragen sind.The board wiper according to the invention can not only be used to erase of characters on a board, but also used everywhere there become where fluids are to be transferred.

Die Zeichnung zeigt ein Ausführungsbeispiel des Tafelwischers nach der Erfindung. Der mit einem Durchgangskanal d versehene Einsatz c ist in einer an der Innenwand der die Flüssigkeit aufnehmenden Hülse a satt anliegenden Führungshülse e eingelegt.The drawing shows an embodiment of the board wiper according to the invention. The insert c, which is provided with a through-channel d, is in a on the inner wall of the liquid-receiving sleeve a snugly fitting guide sleeve e inserted.

Die Verschlußkappe b ist mit einer Bohrung /' versehen.The closure cap b is provided with a bore / '.

Claims (2)

PATENTANSPRÜCHE: r. Tafelwischer mit einer die Flüssigkeit aufnehmenden Hülse mit abnehmbarer Verschlußkappe und einem Einsatz aus flüssigkeitsundurchlässigem und gut wischendem Material nach Patent 882048, dadurch gekennzeichnet, daß der Einsatz (c) in einer an der Innenwand der Hülse (a) satt anliegenden Führungshülse (e) eingelegt ist. PATENT CLAIMS: r. Board wiper with a liquid-absorbing sleeve with a removable cap and an insert made of liquid-impermeable and well-wiping material according to patent 882048, characterized in that the insert (c) is inserted in a guide sleeve (e) which fits snugly on the inner wall of the sleeve (a) . 2. Tafelwischer nach Anspruch r, dadurch gekennzeichnet, daß in der Verschlußkappe (b) ein Luftloch (f) angeordnet ist.2. Board wiper according to claim r, characterized in that an air hole (f) is arranged in the closure cap (b).
DER8010A 1952-01-03 1952-01-03 Board wiper Expired DE933377C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER8010A DE933377C (en) 1952-01-03 1952-01-03 Board wiper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER8010A DE933377C (en) 1952-01-03 1952-01-03 Board wiper

Publications (1)

Publication Number Publication Date
DE933377C true DE933377C (en) 1955-09-22

Family

ID=7397790

Family Applications (1)

Application Number Title Priority Date Filing Date
DER8010A Expired DE933377C (en) 1952-01-03 1952-01-03 Board wiper

Country Status (1)

Country Link
DE (1) DE933377C (en)

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