JPH01178051U - - Google Patents

Info

Publication number

JPH01178051U

JPH01178051U JP7431688U JP7431688U JPH01178051U JP H01178051 U JPH01178051 U JP H01178051U JP 7431688 U JP7431688 U JP 7431688U JP 7431688 U JP7431688 U JP 7431688U JP H01178051 U JPH01178051 U JP H01178051U

Authority

JP

Japan

Prior art keywords

locking

lid

engaging

heating element

locking portion

Prior art date

1988-06-06

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.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

• 238000010438 heat treatment Methods 0.000 claims 4
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
• 238000010586 diagram Methods 0.000 description 3
• 229910052760 oxygen Inorganic materials 0.000 description 3
• 239000001301 oxygen Substances 0.000 description 3
• 230000000903 blocking effect Effects 0.000 description 1