JPH0529974Y2 - - Google Patents

Info

Publication number

JPH0529974Y2

JPH0529974Y2 JP1987162563U JP16256387U JPH0529974Y2 JP H0529974 Y2 JPH0529974 Y2 JP H0529974Y2 JP 1987162563 U JP1987162563 U JP 1987162563U JP 16256387 U JP16256387 U JP 16256387U JP H0529974 Y2 JPH0529974 Y2 JP H0529974Y2

Authority

JP

Japan

Prior art keywords

inner hole

cylindrical member

presser foot

hole

piston

Prior art date

1987-10-26

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 - Lifetime

Links

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• 239000007788 liquid Substances 0.000 claims description 16
• 238000007789 sealing Methods 0.000 claims description 9
• 230000002093 peripheral effect Effects 0.000 claims description 7
• 230000000149 penetrating effect Effects 0.000 claims description 2
• 238000005192 partition Methods 0.000 claims 1
• 239000012530 fluid Substances 0.000 description 7
• 230000000694 effects Effects 0.000 description 3
• 238000005266 casting Methods 0.000 description 2
• 239000000463 material Substances 0.000 description 2
• 235000014676 Phragmites communis Nutrition 0.000 description 1
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 230000000881 depressing effect Effects 0.000 description 1
• 238000004512 die casting Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000012779 reinforcing material Substances 0.000 description 1
• 238000000638 solvent extraction Methods 0.000 description 1