JPH02109669U - - Google Patents

Info

Publication number

JPH02109669U

JPH02109669U JP1667589U JP1667589U JPH02109669U JP H02109669 U JPH02109669 U JP H02109669U JP 1667589 U JP1667589 U JP 1667589U JP 1667589 U JP1667589 U JP 1667589U JP H02109669 U JPH02109669 U JP H02109669U

Authority

JP

Japan

Prior art keywords

material layer

shinai

substantially concave

reinforcing material

concave shape

Prior art date

1989-02-15

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

• 239000012779 reinforcing material Substances 0.000 claims 2
• 239000000463 material Substances 0.000 claims 1
• 230000001681 protective effect Effects 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 2
• 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
• 235000017491 Bambusa tulda Nutrition 0.000 description 1
• 241001330002 Bambuseae Species 0.000 description 1
• 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
• 239000011425 bamboo Substances 0.000 description 1
• 230000003014 reinforcing effect Effects 0.000 description 1