.~.~ Retaining clearance for motion between assembled parts {3}
435
.~.~.~ Between tube-forming helical coils
DEFINITION
Classification: 29/435
Between tube-forming helical coils:
(under subclass 434) Process including shaping or assembling two or more elongated members into spiral intercoiled convolutions to form a wall of a tube, which members slide relative to one another to permit bending of the tube along its axis while maintaining substantially constant diameters.
SEE OR SEARCH THIS CLASS, SUBCLASS:
456, for a process including fabricating and assembling, or merely assembling a spirally convoluted member to a second member.
SEE OR SEARCH CLASS
267, Spring Devices,
285+, for a vehicle spring comprised of plural coils.
