JPS646771Y2 - - Google Patents

Info

Publication number

JPS646771Y2

JPS646771Y2 JP19370685U JP19370685U JPS646771Y2 JP S646771 Y2 JPS646771 Y2 JP S646771Y2 JP 19370685 U JP19370685 U JP 19370685U JP 19370685 U JP19370685 U JP 19370685U JP S646771 Y2 JPS646771 Y2 JP S646771Y2

Authority

JP

Japan

Prior art keywords

dust collection

lid

main body

collection chamber

mouth frame

Prior art date

1985-12-17

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

• 239000000428 dust Substances 0.000 claims description 60
• 238000000034 method Methods 0.000 claims description 2
• 238000009423 ventilation Methods 0.000 description 5
• 230000000694 effects Effects 0.000 description 4
• 238000009434 installation Methods 0.000 description 3
• 238000010586 diagram Methods 0.000 description 2
• 238000003825 pressing Methods 0.000 description 2
• 238000004804 winding Methods 0.000 description 2
• BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
• 230000002159 abnormal effect Effects 0.000 description 1
• 230000002452 interceptive effect Effects 0.000 description 1