JPS6443371U - - Google Patents

Info

Publication number

JPS6443371U

JPS6443371U JP13904587U JP13904587U JPS6443371U JP S6443371 U JPS6443371 U JP S6443371U JP 13904587 U JP13904587 U JP 13904587U JP 13904587 U JP13904587 U JP 13904587U JP S6443371 U JPS6443371 U JP S6443371U

Authority

JP

Japan

Prior art keywords

protective cover

circumferential surface

rotating body

cylindrical rotating

predetermined area

Prior art date

1987-09-11

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

• 230000001681 protective effect Effects 0.000 claims description 6
• 238000010586 diagram Methods 0.000 description 3
• 238000000926 separation method Methods 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1