JPS62184337U - - Google Patents

Info

Publication number

JPS62184337U

JPS62184337U JP7287186U JP7287186U JPS62184337U JP S62184337 U JPS62184337 U JP S62184337U JP 7287186 U JP7287186 U JP 7287186U JP 7287186 U JP7287186 U JP 7287186U JP S62184337 U JPS62184337 U JP S62184337U

Authority

JP

Japan

Prior art keywords

inner cylinder

outer cylinder

spacer piece

cylinder

grill

Prior art date

1986-05-15

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

• 238000009423 ventilation Methods 0.000 claims description 6
• 238000005192 partition Methods 0.000 claims description 3
• 125000006850 spacer group Chemical group 0.000 claims 3
• 230000000149 penetrating effect Effects 0.000 claims 1
• 230000002093 peripheral effect Effects 0.000 claims 1