Canadian Patent Classifications

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Class 153 Metal bending
cpcdescription
153/1(1) Special Application
153/2(1) Special Application (2) Automotive
153/3(1) Special Application (2) Automotive (3) Frame Straightening
153/4(1) Special Application (2) Automotive (4) Steering Linkage and Axle Straightening
153/5(1) Special Application (2) Automotive (5) Body Metal Bumping Out
153/6(1) Special Application (6) Railway
153/7(1) Special Application (6) Railway (7) Rail Benders and Straighteners
153/8(1) Special Application (8) Joining by Bending Metal
153/9(1) Special Application (8) Joining by Bending Metal (9) Metal to Fabric (e.g. Shoe Lace Trimming)
153/10(1) Special Application (8) Joining by Bending Metal (10) Metal to Wood or Paper
153/11(1) Special Application (11) Metal Straightening
153/12(1) Special Application (11) Metal Straightening (12) By Application of Tensile Force
153/13(1) Special Application (11) Metal Straightening (13) By Rolling
153/14(1) Special Application (11) Metal Straightening (13) By Rolling (14) Sheet and Strip Levelling
153/15(1) Special Application (15) Tube and Pipe Bending
153/16(1) Special Application (15) Tube and Pipe Bending (16) Flangers and Expanders
153/17(1) Special Application (15) Tube and Pipe Bending (16) Flangers and Expanders (17) Explosively Actuated
153/18(1) Special Application (15) Tube and Pipe Bending (16) Flangers and Expanders (18) Boiler and Heat Exchanger Tube and Flue Expanders
153/19(1) Special Application (15) Tube and Pipe Bending (19) Die Former and Wiper
153/20(1) Special Application (15) Tube and Pipe Bending (19) Die Former and Wiper (20) Rotating Die Former
153/21(1) Special Application (15) Tube and Pipe Bending (19) Die Former and Wiper (21) Rolling Wiper
153/22(1) Special Application (15) Tube and Pipe Bending (22) Interacting Rolls
153/23(1) Special Application (15) Tube and Pipe Bending (23) Simple Lever
153/24(24) Combined With Additional Function
153/25(24) Combined With Additional Function (25) With Severing of Workpiece from Stock
153/26(26) Torsional Or Circular Force Acting On Work
153/27(26) Torsional Or Circular Force Acting On Work (27) Ribbon Spiralling
153/28(28) Tensile Force Acting On Work
153/29(28) Tensile Force Acting On Work (29) Gripper Only Moves
153/30(28) Tensile Force Acting On Work (30) Former Only Moves
153/31(28) Tensile Force Acting On Work (31) Grippers, Formers and Clamps
153/32(32) Compressive Force Acting On Work
153/33(32) Compressive Force Acting On Work (33) Roll Shaping or Bending
153/34(32) Compressive Force Acting On Work (33) Roll Shaping or Bending (34) Intermeshing Rolls
153/35(32) Compressive Force Acting On Work (33) Roll Shaping or Bending (34) Intermeshing Rolls (35) Forming Axial Groove(s) (e.g., Corrugating)
153/36(32) Compressive Force Acting On Work (33) Roll Shaping or Bending (36) Stationary Platen or Work Support
153/37(32) Compressive Force Acting On Work (37) Press Shaping or Bending
153/38(32) Compressive Force Acting On Work (37) Press Shaping or Bending (38) Bending Die Presses
153/39(32) Compressive Force Acting On Work (37) Press Shaping or Bending (38) Bending Die Presses (39) Multiple Dies
153/40(32) Compressive Force Acting On Work (37) Press Shaping or Bending (38) Bending Die Presses (40) Forming Plate and Mandrel
153/41(32) Compressive Force Acting On Work (41) Folding or Doubling
153/42(32) Compressive Force Acting On Work (41) Folding or Doubling (42) Beam Brake (Sheets, plates)
153/43(32) Compressive Force Acting On Work (41) Folding or Doubling (43) Point Brake (Bars, Rods, Strips)
153/44(44) Miscellaneous

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