DE882048C - Board wiper - Google Patents

Board wiper

Info

Publication number
DE882048C
DE882048C DER7474A DER0007474A DE882048C DE 882048 C DE882048 C DE 882048C DE R7474 A DER7474 A DE R7474A DE R0007474 A DER0007474 A DE R0007474A DE 882048 C DE882048 C DE 882048C
Authority
DE
Germany
Prior art keywords
sleeve
board wiper
liquid
insert
board
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
DER7474A
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 DER7474A priority Critical patent/DE882048C/en
Application granted granted Critical
Publication of DE882048C publication Critical patent/DE882048C/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

Die bis jetzt' im Gebrauch befindlichen Tafelwischer sind in der Benutzung den Fähigkeiten des Kindes nicht angepaßt.The board wipers in use so far are in use not adapted to the child's abilities.

Der in der Zeichnung dargestellte Tafelwischer hat eine neinseitig geschlossene Hülse a aus durchsichtigem Material -und gibt dem Kinde dadurch einen Überblick über den Aufbau des Tafelwischers sowie über die Menge der in der Hülse aufgesp.eicherten Flüssigkeit. Die Kappe b läßt sich durch ihren Steckkonus sehr leicht abnehmen und auf dd ie Bodenseite der Hülse a aufstecken. Der geöffnete Wirscher kann während des Unterrichts auf den Tisch ;gestellt oder gelegt werden, ohne d Auslaufen der Flüssigkeit hervorzurufen. Dadurch wird derr Unterricht nicht ständig gestört, wie dmes durch das -umständliche öffnen der bisherigen: Schwammdosen der Fall war. _ Der in .die öffnung der Hülse ,a eingesteckte Einsatz c besteht aus seinem Material, das flüssigkeitsundurchlässig ist und infolge seiner Oberflächen- und Formbeschaffenheit sehr gut wischt. Die zum Wischen :erforderliche Flüssigkeit wird aus der Hülse a durch den in dem Einsatz c angeordneten Kanal @d in kleinen Mengen durch leichtes Drücken auf Einsatz c beim Wischen ausgestoßen.The board wiper shown in the drawing has a no-sided closed sleeve a made of transparent material -and thereby gives the child a Overview of the structure of the board wiper as well as the amount of in the sleeve stored liquid. The cap b can be very much due to its plug-in cone remove it slightly and attach it to the bottom of the sleeve a. The opened Wirscher can be placed on the table or placed on the table during class without d Cause leakage of the liquid. As a result, the lesson does not become constant disturbed, as dmes by the cumbersome opening of the previous: sponge cans of the Case was. _ The insert c inserted in the opening of the sleeve, a consists of its material, which is impermeable to liquids and due to its surface and shape texture wipes very well. The liquid required for wiping is from the sleeve a through the channel @d arranged in the insert c in small Amounts ejected by gently pressing insert c while wiping.

Durch Herausziehen des Einsatzes c kann die Hülse a mit Flüssigkeit gefüllt werden.By pulling out the insert c, the sleeve a with liquid be filled.

Claims (1)

PATENTANSPRUCH: Tafelwischer, gekennzeichnet durch eine die Flüssigkeit aufnehmende, einseitig geschloissene, handlich ,ausgebildete Hülse (a) aus durchsichtigem Material mit abnehmbarer, innen konisch ,ausgebildeter Verschlußkappe (b) und einem in die öffnung der Hülse (a) einsetzbaren, mit ,einem Kanal (d) versehenen Einsatz (c) aus flüssigkeitsundurchlässigem und gut wischendem -Mateilal.PATENT CLAIM: Board wiper, characterized by a liquid receiving, closed on one side, handy, trained sleeve (a) made of transparent Material with removable, internally conical, formed cap (b) and a Insert which can be inserted into the opening of the sleeve (a) and is provided with a channel (d) (c) Made of liquid-impermeable and well-wiping material.
DER7474A 1951-10-27 1951-10-27 Board wiper Expired DE882048C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER7474A DE882048C (en) 1951-10-27 1951-10-27 Board wiper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER7474A DE882048C (en) 1951-10-27 1951-10-27 Board wiper

Publications (1)

Publication Number Publication Date
DE882048C true DE882048C (en) 1953-07-06

Family

ID=7397578

Family Applications (1)

Application Number Title Priority Date Filing Date
DER7474A Expired DE882048C (en) 1951-10-27 1951-10-27 Board wiper

Country Status (1)

Country Link
DE (1) DE882048C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089182A (en) * 1960-02-11 1963-05-14 Sanford Corp Of Liberia Marking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089182A (en) * 1960-02-11 1963-05-14 Sanford Corp Of Liberia Marking device

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