JPH0420026Y2 - - Google Patents

Info

Publication number

JPH0420026Y2

JPH0420026Y2 JP14825385U JP14825385U JPH0420026Y2 JP H0420026 Y2 JPH0420026 Y2 JP H0420026Y2 JP 14825385 U JP14825385 U JP 14825385U JP 14825385 U JP14825385 U JP 14825385U JP H0420026 Y2 JPH0420026 Y2 JP H0420026Y2

Authority

JP

Japan

Prior art keywords

pinch

hollow molded

molded body

tip

protrusions

Prior art date

1985-09-28

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
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• 239000007787 solid Substances 0.000 claims description 4
• 229920003002 synthetic resin Polymers 0.000 description 6
• 239000000057 synthetic resin Substances 0.000 description 6
• 238000000071 blow moulding Methods 0.000 description 3
• 230000000694 effects Effects 0.000 description 3
• -1 polyethylene Polymers 0.000 description 2
• 241000288673 Chiroptera Species 0.000 description 1
• 239000004698 Polyethylene Substances 0.000 description 1
• 239000004743 Polypropylene Substances 0.000 description 1
• 230000003213 activating effect Effects 0.000 description 1
• 238000005336 cracking Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 229920001155 polypropylene Polymers 0.000 description 1
• 239000002699 waste material Substances 0.000 description 1