JPH0423499Y2 - - Google Patents

Info

Publication number

JPH0423499Y2

JPH0423499Y2 JP16549986U JP16549986U JPH0423499Y2 JP H0423499 Y2 JPH0423499 Y2 JP H0423499Y2 JP 16549986 U JP16549986 U JP 16549986U JP 16549986 U JP16549986 U JP 16549986U JP H0423499 Y2 JPH0423499 Y2 JP H0423499Y2

Authority

JP

Japan

Prior art keywords

shoulder body

cover plate

lower plate

heat insulating

pipe

Prior art date

1986-10-28

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
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
• 238000002347 injection Methods 0.000 claims description 7
• 239000007924 injection Substances 0.000 claims description 7
• 238000012856 packing Methods 0.000 claims description 4
• 239000011810 insulating material Substances 0.000 description 3
• 230000002093 peripheral effect Effects 0.000 description 3
• 238000009413 insulation Methods 0.000 description 2
• -1 polyethylene Polymers 0.000 description 2
• 238000005086 pumping Methods 0.000 description 2
• 238000007789 sealing Methods 0.000 description 2
• 239000004698 Polyethylene Substances 0.000 description 1
• 239000004743 Polypropylene Substances 0.000 description 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 229920000573 polyethylene Polymers 0.000 description 1
• 229920001155 polypropylene Polymers 0.000 description 1