JPH0331538Y2 - - Google Patents

Info

Publication number

JPH0331538Y2

JPH0331538Y2 JP14860987U JP14860987U JPH0331538Y2 JP H0331538 Y2 JPH0331538 Y2 JP H0331538Y2 JP 14860987 U JP14860987 U JP 14860987U JP 14860987 U JP14860987 U JP 14860987U JP H0331538 Y2 JPH0331538 Y2 JP H0331538Y2

Authority

JP

Japan

Prior art keywords

gasket

mold

monomer

cylindrical body

end surface

Prior art date

1987-09-29

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

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• 239000000178 monomer Substances 0.000 claims description 32
• 229920003023 plastic Polymers 0.000 claims description 12
• 239000004033 plastic Substances 0.000 claims description 12
• 230000002093 peripheral effect Effects 0.000 claims description 9
• 238000002347 injection Methods 0.000 description 29
• 239000007924 injection Substances 0.000 description 29
• 238000000034 method Methods 0.000 description 11
• 238000006116 polymerization reaction Methods 0.000 description 5
• 238000005266 casting Methods 0.000 description 4
• 238000004519 manufacturing process Methods 0.000 description 3
• 238000000465 moulding Methods 0.000 description 3
• 230000000694 effects Effects 0.000 description 2
• 238000005516 engineering process Methods 0.000 description 2
• 238000001746 injection moulding Methods 0.000 description 2
• 239000011347 resin Substances 0.000 description 2
• 229920005989 resin Polymers 0.000 description 2
• VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
• 239000005977 Ethylene Substances 0.000 description 1
• 239000004698 Polyethylene Substances 0.000 description 1
• 230000002745 absorbent Effects 0.000 description 1
• 239000002250 absorbent Substances 0.000 description 1
• 201000009310 astigmatism Diseases 0.000 description 1
• SYFOAKAXGNMQAX-UHFFFAOYSA-N bis(prop-2-enyl) carbonate;2-(2-hydroxyethoxy)ethanol Chemical compound OCCOCCO.C=CCOC(=O)OCC=C SYFOAKAXGNMQAX-UHFFFAOYSA-N 0.000 description 1
• 238000004140 cleaning Methods 0.000 description 1
• 229920001577 copolymer Polymers 0.000 description 1
• 239000011521 glass Substances 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 230000003287 optical effect Effects 0.000 description 1
• 229920000120 polyethyl acrylate Polymers 0.000 description 1
• -1 polyethylene Polymers 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1