DE1586483C - - Google Patents

Info

Publication number

DE1586483C

DE1586483C DE1586483C DE 1586483 C DE1586483 C DE 1586483C DE 1586483 C DE1586483 C DE 1586483C

Authority

DE

Germany

Prior art keywords

edge

tube

notch

tube wall

over

Prior art date

1971-02-25

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

• 238000000034 method Methods 0.000 claims description 12
• 238000004519 manufacturing process Methods 0.000 claims description 5
• 229910001369 Brass Inorganic materials 0.000 claims description 2
• 239000010951 brass Substances 0.000 claims description 2
• 230000000284 resting effect Effects 0.000 claims description 2
• 150000001875 compounds Chemical class 0.000 claims 1
• 239000000463 material Substances 0.000 claims 1
• 239000012528 membrane Substances 0.000 description 3
• 230000000694 effects Effects 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 238000010792 warming Methods 0.000 description 2
• 229910000838 Al alloy Inorganic materials 0.000 description 1
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 238000003780 insertion Methods 0.000 description 1
• 230000037431 insertion Effects 0.000 description 1
• 229920000915 polyvinyl chloride Polymers 0.000 description 1
• 239000004800 polyvinyl chloride Substances 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 238000005096 rolling process Methods 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000007787 solid Substances 0.000 description 1