(under the class definition) A collection of documents disclosing seals and sealing methods used in joining portions of plastic devices.
(1) Note. The seals are usually portions of inflatible of water fillable devices under the class definition, and the methods of sealing are usually ultrasonic or dielectric sealing methods or solvent bonding.
SEE OR SEARCH CLASS
156, Adhesive Bonding and Miscellaneous Chemical Manufacture, appropriate subclasses for sealing methods.
