JPH0214023Y2 - - Google Patents

Info

Publication number

JPH0214023Y2

JPH0214023Y2 JP10956085U JP10956085U JPH0214023Y2 JP H0214023 Y2 JPH0214023 Y2 JP H0214023Y2 JP 10956085 U JP10956085 U JP 10956085U JP 10956085 U JP10956085 U JP 10956085U JP H0214023 Y2 JPH0214023 Y2 JP H0214023Y2

Authority

JP

Japan

Prior art keywords

protruding pieces

bottom plate

butterfly core

butterfly

fitting

Prior art date

1985-07-19

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
• Discuss

• 239000002184 metal Substances 0.000 claims description 32
• 239000011521 glass Substances 0.000 claims description 8
• 238000005452 bending Methods 0.000 claims description 6
• 238000000034 method Methods 0.000 description 11
• 239000011295 pitch Substances 0.000 description 5
• 238000003825 pressing Methods 0.000 description 4
• 238000005520 cutting process Methods 0.000 description 3
• 229920001296 polysiloxane Polymers 0.000 description 2
• 238000005516 engineering process Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 229910001220 stainless steel Inorganic materials 0.000 description 1
• 239000010935 stainless steel Substances 0.000 description 1