DE182128C - - Google Patents

Info

Publication number

DE182128C

DE182128C DENDAT182128D DE182128DA DE182128C DE 182128 C DE182128 C DE 182128C DE NDAT182128 D DENDAT182128 D DE NDAT182128D DE 182128D A DE182128D A DE 182128DA DE 182128 C DE182128 C DE 182128C

Authority

DE

Germany

Prior art keywords

closure

grate

parts

closure parts

opening

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.)

Active

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• 238000012360 testing method Methods 0.000 claims description 6
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
• 239000007799 cork Substances 0.000 description 3
• 239000002184 metal Substances 0.000 description 3
• 230000000630 rising effect Effects 0.000 description 2
• JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1