JPH0320395Y2 - - Google Patents

Info

Publication number

JPH0320395Y2

JPH0320395Y2 JP17021086U JP17021086U JPH0320395Y2 JP H0320395 Y2 JPH0320395 Y2 JP H0320395Y2 JP 17021086 U JP17021086 U JP 17021086U JP 17021086 U JP17021086 U JP 17021086U JP H0320395 Y2 JPH0320395 Y2 JP H0320395Y2

Authority

JP

Japan

Prior art keywords

shield

shields

telescopic

seal member

sealing

Prior art date

1986-11-07

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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• 238000007789 sealing Methods 0.000 claims description 17
• 238000009412 basement excavation Methods 0.000 claims description 5
• 239000013013 elastic material Substances 0.000 claims description 4
• NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 claims description 2
• 239000000463 material Substances 0.000 claims description 2
• 230000000694 effects Effects 0.000 description 3
• 238000010586 diagram Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 230000007774 longterm Effects 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 239000004576 sand Substances 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1