JPH0337036Y2 - - Google Patents

Info

Publication number

JPH0337036Y2

JPH0337036Y2 JP8419387U JP8419387U JPH0337036Y2 JP H0337036 Y2 JPH0337036 Y2 JP H0337036Y2 JP 8419387 U JP8419387 U JP 8419387U JP 8419387 U JP8419387 U JP 8419387U JP H0337036 Y2 JPH0337036 Y2 JP H0337036Y2

Authority

JP

Japan

Prior art keywords

mouthpiece

middle cylinder

main body

air hole

fitting

Prior art date

1987-05-30

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

• 238000007664 blowing Methods 0.000 claims description 4
• 238000004519 manufacturing process Methods 0.000 description 6
• 239000011148 porous material Substances 0.000 description 5
• 229920003002 synthetic resin Polymers 0.000 description 3
• 239000000057 synthetic resin Substances 0.000 description 3
• 239000000463 material Substances 0.000 description 2
• 238000000465 moulding Methods 0.000 description 2
• 238000009833 condensation Methods 0.000 description 1
• 230000005494 condensation Effects 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000002787 reinforcement Effects 0.000 description 1
• 229920005989 resin Polymers 0.000 description 1
• 239000011347 resin Substances 0.000 description 1
• 238000007789 sealing Methods 0.000 description 1
• 239000011800 void material Substances 0.000 description 1