DE890985C - Stromwender - Google Patents

Info

Publication number

DE890985C

DE890985C DEC1195D DEC0001195D DE890985C DE 890985 C DE890985 C DE 890985C DE C1195 D DEC1195 D DE C1195D DE C0001195 D DEC0001195 D DE C0001195D DE 890985 C DE890985 C DE 890985C

Authority

DE

Germany

Prior art keywords

grooves

lamellar

commutator

end faces

lids

Prior art date

1942-07-10

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

Links

• Espacenet
• Global Dossier
• DPMA
• Discuss

• 239000000463 material Substances 0.000 claims description 6
• 150000001875 compounds Chemical class 0.000 claims 2
• 239000002184 metal Substances 0.000 claims 1
• 125000006850 spacer group Chemical group 0.000 claims 1
• 241000446313 Lamella Species 0.000 description 5
• 239000004568 cement Substances 0.000 description 2
• 229920003002 synthetic resin Polymers 0.000 description 2
• 239000000057 synthetic resin Substances 0.000 description 2
• OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
• ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 239000011507 gypsum plaster Substances 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 239000011148 porous material Substances 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 239000000126 substance Substances 0.000 description 1