Title:
Tail section seals for shield tunneling machines
United States Patent 3410098
US Patent References:
/1182626.html
- - 1182626
Method of making resilient and flexible cushioning and sealing elements
- - 3108852
Vinyl weatherstrip
- - 3167827
Shield tunneling method and mechanism
- - 3266257
/1182626.html
- - 1182626
Method of making resilient and flexible cushioning and sealing elements
- - 3108852
Vinyl weatherstrip
- - 3167827
Shield tunneling method and mechanism
- - 3266257
Inventors:
Winberg, Douglas F.
Publication Date:
11/12/1968
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Export Citation:
Assignee:
ROBBINS & ASSOC JAMES S
Primary Class:
Other Classes:
49/452, 49/475.100, 49/482.100, 405/147
International Classes:
E21D9/08