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Title: Mechanically expandable annular seal

Abstract

A mechanically expandable annular reusable seal assembly to form an annular hermetic barrier between two stationary, parallel, and planar containment surfaces is described. A rotatable ring, attached to the first surface, has ring wedges resembling the saw-tooth array of a hole saw. Matching seal wedges are slidably attached to the ring wedges and have their motion restricted to be perpendicular to the second surface. Each seal wedge has a face parallel to the second surface. An annular elastomer seal has a central annular region attached to the seal wedges' parallel faces and has its inner and outer circumferences attached to the first surface. A rotation of the ring extends the elastomer seal's central region perpendicularly towards the second surface to create the fluid tight barrier. A counter rotation removes the barrier. 6 figs.

Inventors:
Issue Date:
Research Org.:
Westinghouse Hanford Co
OSTI Identifier:
7147623
Patent Number(s):
4394022 A
Application Number:
PPN: US 6-306998
Assignee:
RLO; EDB-94-124973
DOE Contract Number:  
AC14-76FF02170
Resource Type:
Patent
Resource Relation:
Patent File Date: 29 Sep 1981
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; SEALS; DESIGN; ANNULAR SPACE; ELASTOMERS; OPERATION; CONFIGURATION; POLYMERS; SPACE; 420200* - Engineering- Facilities, Equipment, & Techniques

Citation Formats

Gilmore, R.F. Mechanically expandable annular seal. United States: N. p., 1983. Web.
Gilmore, R.F. Mechanically expandable annular seal. United States.
Gilmore, R.F. Tue . "Mechanically expandable annular seal". United States.
@article{osti_7147623,
title = {Mechanically expandable annular seal},
author = {Gilmore, R.F.},
abstractNote = {A mechanically expandable annular reusable seal assembly to form an annular hermetic barrier between two stationary, parallel, and planar containment surfaces is described. A rotatable ring, attached to the first surface, has ring wedges resembling the saw-tooth array of a hole saw. Matching seal wedges are slidably attached to the ring wedges and have their motion restricted to be perpendicular to the second surface. Each seal wedge has a face parallel to the second surface. An annular elastomer seal has a central annular region attached to the seal wedges' parallel faces and has its inner and outer circumferences attached to the first surface. A rotation of the ring extends the elastomer seal's central region perpendicularly towards the second surface to create the fluid tight barrier. A counter rotation removes the barrier. 6 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1983},
month = {7}
}