(under the class definition) Sealing means consisting of a specific composition or substance.
SEE OR SEARCH THIS CLASS, SUBCLASS:
404+, for a relatively rotatable, radially extending, sealing face member (e.g., face, mechanical, etc.) made of a particular material.
428, Stock Material or Miscellaneous Articles, a residual class for a structurally defined stock material, nonstrictural laminate, an article of manufacture, not provided for elsewhere; subclasses 131+ for a structurally defined web or sheet (e.g., an overall dimension, etc.) including an aperture.
440+, for a piston ring having a surface of dissimilar material or hardness.
534+, for a dynamic, circumferential, contact seal for other than a piston intended to be contained or compressed by a gland member in a packing box having a particular material or construction.
627, for a static, contact seal intended for use on a pipe, conduit, or cable having a particular material or construction.
650+, for a static, contact seal for other than an internal combustion engine, or a pipe, conduit, or cable having a particular sealing material or construction. 934, for a seal that swells when wet.
