JPS6217777U - - Google Patents

Info

Publication number

JPS6217777U

JPS6217777U JP10765785U JP10765785U JPS6217777U JP S6217777 U JPS6217777 U JP S6217777U JP 10765785 U JP10765785 U JP 10765785U JP 10765785 U JP10765785 U JP 10765785U JP S6217777 U JPS6217777 U JP S6217777U

Authority

JP

Japan

Prior art keywords

groove

hole

bottom panel

freezing

inner plate

Prior art date

1985-07-16

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

• 230000008014 freezing Effects 0.000 claims 2
• 238000007710 freezing Methods 0.000 claims 2
• 238000013459 approach Methods 0.000 claims 1
• 238000005452 bending Methods 0.000 claims 1
• 230000007423 decrease Effects 0.000 claims 1
• 239000012774 insulation material Substances 0.000 description 1
• 239000012779 reinforcing material Substances 0.000 description 1