US PATENT SUBCLASS 156 / 250
.~.~ With cutting, punching, tearing or severing


Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

1  DF  METHODS {7}
60  DF  .~ Surface bonding and/or assembly therefor {93}
250.~.~ With cutting, punching, tearing or severing {8}
251  DF  .~.~.~> And simultaneously bonding (e.g., cut-seaming)
252  DF  .~.~.~> Perforating lamina {1}
254  DF  .~.~.~> Splitting sheet lamina in plane intermediate of faces
255  DF  .~.~.~> Spiral peeling
256  DF  .~.~.~> Prior to assembly {6}
267  DF  .~.~.~> Flash, trim or excess removal
268  DF  .~.~.~> Partial cutting bonded sandwich (e.g., grooving or incising)
269  DF  .~.~.~> Of continuous or running length bonded web {2}


DEFINITION

Classification: 156/250

(under subclass 60) Processes combined with a step of (1) penetrating the workpiece to achieve at least partial separation of a portion of the material of the workpiece without substantial reshaping flow of the material or (2) moving one part of a workpiece relative to the other to cause failure by tension at the point of separation.

(1) Note. A disclosure that the work material flows due to melting will not preclude placement of the patent here where the flow merely accomplishes reshaping only necessary for penetration. For example, cut-seaming a thermoplastic material with a hot knife is here even though the material may form a bead at the seam.

(2) Note. The cutting need not be entirely through the thickness of the work, but may be only partially through the thickness e.g., grooving and scoring.

(3) Note. Cutting of a lamina along a transverse cross-section perpendicular to the longitudinal axis of the lamina to produce a plurality of identical articles e.g., cut-off, is excluded from this and indented subclass unless a dimension or shape of the lamina is specified.

SEE OR SEARCH THIS CLASS, SUBCLASS:

98, for reclaiming, renewing or repairing of articles for reuse with removal of defective area to be repaired.

101, for processes of making optically transparent glass sandwiches with cutting of interlayer or lamina. 142, for processes of forming an endless drive belt and cutting the belt to V or trapezoid shape.

159, for processes of splicing indefinite length lamina end-to-end with cutting of joining ends.

193, for processes of winding a web or sheet with cutting or wound body.

211, for processes of laminating with permanent bending or reshaping which include slitting or removal of material at reshaping area prior to reshaping.

510+, for apparatus for surface bonding and/or assembly combined with means for cutting, punching, piercing or severing.

SEE OR SEARCH CLASS

83, Cutting, appropriate subclasses for processes of and apparatus for cutting and see especially the notes to the class definition of that class for the locus of other art relating to cutting and combinations of cutting with other operations.

225, Severing by Tearing or Breaking, appropriate subclasses for processes of severing by tearing or breaking.

234, Selective Cutting (e.g., Punching), appropriate subclasses for processes and apparatus for selective punching.