Method and apparatus for forming cables

• US 3,142,145 A
• Filed: 01/28/1963
• Issued: 07/28/1964
• Est. Priority Date: 01/28/1963
• Status: Expired due to Term

• Current Assignee: Andre Blanchard
• Original Assignee: Andre Blanchard
• Inventors: Blanchard, Andre
• Application Number:
  US04/254,050
• Time in Patent Office: 547 Days
• US Class Current: 57/9
• CPC Class Codes: D07B 1/0693 having a strand configuration
• CPC Class Codes: D07B 1/08 the layers of which are formed of profiled interlocking wires, i.e. the strands forming concentric layers D07B1/0606 takes precedence
• CPC Class Codes: D07B 2201/2002 characterised by their cross-sectional shape
• CPC Class Codes: D07B 2201/2003 flat
• CPC Class Codes: D07B 2801/22 Jacket or covering
• CPC Class Codes: D07B 3/06 and are spaced radially from the axis of the machine , i.e. basket or planetary-type stranding machine
• CPC Class Codes: D07B 7/025 Preforming the wires or strands prior to closing

Claims

1. MEANS FOR PRETWISTING NON-CIRCULAR WIRE PREPARATORY TO CABLING COMPRISING:

CASE MEANS, FIRST, SECOND AND THIRD LONGITUDINALLY SPACED MEANS MOUNTED ON SAID CAGE MEANS FOR GUIDING A NON-CIRCULAR WIRE THERETHROUGH WITH A GIVEN ATTITUDE WITH RESPECT TO SAID CAGE MEANS, SAID SECOND SPACED MEANS BEING DISPOSED INTERMEDIATE OF SAID FIRST AND THIRD SPACED MEANS, MEANS FOR ROTATING SAID SECOND SPACED MEANS ABOUT ITS AXIS RELATIVE TO SAID FIRST AND THIRD SPACED MEANS TO TWIST WIRE PORTIONS TO EITHER SIDE OF SAID SECOND SPACED MEANS IN OPPOSITE DIRECTIONS A LIKE NUMBER OF TURNS, SAID SECOND SPACED MEANS BEING SPACED AT DIFFERENT DISTANCES WITH RESPECT TO SAID FIRST AND SECOND SPACED MEANS SO THAT TWISTING OF SUCH WIRE PORTIONS PROVIDES A PERMANENT TURN OF TWIST IN A WIRE FOR A GIVEN LENGTH UPON EMERGENCE OF A WIRE FROM SAID THIRD SPACED MEANS.