JPS6379953U - - Google Patents

Info

Publication number

JPS6379953U

JPS6379953U JP17521786U JP17521786U JPS6379953U JP S6379953 U JPS6379953 U JP S6379953U JP 17521786 U JP17521786 U JP 17521786U JP 17521786 U JP17521786 U JP 17521786U JP S6379953 U JPS6379953 U JP S6379953U

Authority

JP

Japan

Prior art keywords

core material

gymnastics

thin layer

outer skin

interposing

Prior art date

1986-11-14

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000011162 core material Substances 0.000 claims description 4
• 239000000463 material Substances 0.000 claims 4
• 229920000742 Cotton Polymers 0.000 claims 1
• 239000004677 Nylon Substances 0.000 claims 1
• 229920001778 nylon Polymers 0.000 claims 1
• 229920002635 polyurethane Polymers 0.000 claims 1
• 239000004814 polyurethane Substances 0.000 claims 1
• 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
• 229920002554 vinyl polymer Polymers 0.000 claims 1
• 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
• 235000011613 Pinus brutia Nutrition 0.000 description 1
• 241000018646 Pinus brutia Species 0.000 description 1