JPH0443267Y2 - - Google Patents

Info

Publication number

JPH0443267Y2

JPH0443267Y2 JP659289U JP659289U JPH0443267Y2 JP H0443267 Y2 JPH0443267 Y2 JP H0443267Y2 JP 659289 U JP659289 U JP 659289U JP 659289 U JP659289 U JP 659289U JP H0443267 Y2 JPH0443267 Y2 JP H0443267Y2

Authority

JP

Japan

Prior art keywords

whistle

flange

blowing

toy

fused

Prior art date

1989-01-24

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 29
• 239000002985 plastic film Substances 0.000 claims description 18
• 229920006255 plastic film Polymers 0.000 claims description 18
• 230000004927 fusion Effects 0.000 claims description 5
• 230000037431 insertion Effects 0.000 description 6
• 238000003780 insertion Methods 0.000 description 6
• 229920006266 Vinyl film Polymers 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000010438 heat treatment Methods 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 238000007789 sealing Methods 0.000 description 2
• 238000003466 welding Methods 0.000 description 2
• 239000004698 Polyethylene Substances 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000004033 plastic Substances 0.000 description 1
• 229920003023 plastic Polymers 0.000 description 1
• -1 polyethylene Polymers 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
• 229920002554 vinyl polymer Polymers 0.000 description 1