US PATENT SUBCLASS 52 / 393
RELATIVELY YIELDABLE PREFORMED SEPARATOR (I.E., EXPANSION JOINT)

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

393RELATIVELY YIELDABLE PREFORMED SEPARATOR (I.E., EXPANSION JOINT) {6}
394  DF  .~> Between overlapping edges of surfacing sections
395  DF  .~> Separating bridger strip from juncture of panels
396.01  DF  .~> Fire or heat resistive type (e.g., for furnace wall)
396.02  DF  .~> Separator inserted prior to or during pouring of two adjacent concrete sections {1}
396.04  DF  .~> Exposed separator between (1) set or cured concrete, (2) metal, wood, plastic, etc., or (3) prefabricated components {5}
402  DF  .~> Held by separate spacer

DEFINITION

Classification: 52/393

(under the class definition) Structure including fixedly related juxtaposed components with a substantial area of the opposed faces of the components being spaced from each other by a preformed, yieldable separator which is compressed between and acts to resiliently resist movement of the components towards each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

140+, for a burial vault with sealing material between its closure and the vault body.

167.1+, for means compensating earth-transmitted force, e.g., an earthquake.

208, for a closure panel directly clamped or sealed to a barrier.

214, for a retaining feature incorporating a resilient strip between a frame and a portal opening. 346, for means accommodating movement of a settable material backer with a spring.

502, for an interfitted facer and shaft with a springy strip type retainer.

573.1, for a residual structure having means accommodating expansion or contraction.

SEE OR SEARCH CLASS

49, Movable or Removable Closures,

475.1+, for a closure seal, e.g., striker gasket or weatherstrip and see the search notes thereto for the loci of other seals.

220, Receptacles,

614, and 681 for a packing element for a receptacle joint.

277, Seal for a Joint or Juncture, for a generic sealing means or process,

628+, for a static contact seal for other than an internal combustion engine, or pipe, conduit, or cable.

280, Land Vehicles,

153.5, for a joint welting between running board, molding or dust guard and a vehicle body.