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Priority to DE1953SC009880priorityCriticalpatent/DE1665681U/en
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Kau Schwimm(1 Pfafn-Beerftirthim. OdenwsIcLBetr. : Gebrauchsmusterschutz fnr geometrische Lehrmittelaus Kunststoffen, mib leuchtenden Schnittflächen.Az. : &ch 9880/42. n GmAn Pabenbamt in. Einehen.Ich bitte um G3branchsma. st r.' ? chaLtz für geometrische
Lehrmittelaus Kunststoffen, deren Schnittflächen leuchten (fluoreszierendeSnn&tstoffe)DieseLehrmittelheben gsgeniiber anderen Lehrmitteln ans durch-sichtigen Stoffen folgende Vorteile :1. Die Schüler sehen am Moaell gleichzeitig eindringlich sowohldie Flächen als auch die Kanten der dargestellten Körper.2. Bei zusammengesetzten Körpern lassen sich bei Verwencamg
vonif<&Esehiednfsrbigeai Matarial (finoreszierendem) de'a.
blioh sowohldie Einzelteile als attj, der ganze Korper erkennen.3. Auch, bei schlechter Beleuchtung n äei sonst ungünstigem
n-tergrund lassen sich die gaetrischsn Körper nchus der JEnt-. fernong deutlich erkennen. Chew swim (1 Pfafn-Beerftirth in the. OdenwsIcL Re. : Utility model protection for geometric teaching aids Made of plastics, with luminous cut surfaces. Ref.: & Ch 9880/42. n Gm At Pabenbamt in. Single marriages. I ask for G3branchsma. st r. ' ? chaLtz for geometric teaching aids Made of plastics whose cut surfaces glow (fluorescent Snn & t materials) These teaching aids are higher than other teaching aids. the following advantages: 1. At the Moaell, students see both vividly at the same time the surfaces as well as the edges of the bodies shown. 2. In the case of composite bodies, Verwencamg can use if <& Esehiednfsrbigeai Matarial (finoreszierendem) de'a. blioh both recognize the individual parts as attj, the whole body. 3. Also, with poor lighting and otherwise unfavorable conditions underground, the gaetrischsn body nchus of the JEnt- . Fernong can be seen clearly.
Claims (1)
S mtzanspro. ch.
GeometrischeLehrmitteld&dnrch gekennzeichnet,dass-si<ZGr-SicJitbs. cmacbnn von Ksnten und. Sc. ausfluoreszierenden Xnnststoffen hergestellt sind
S mtzanspro. ch.
Geometric teaching aids & dnrch marked that-si < ZGr-SicJitbs. cmacbnn from Ksnten and. Sc. the end fluorescent plastics are made