Method for forming twisted cord elements

• US 5,517,813 A
• Filed: 12/06/1993
• Issued: 05/21/1996
• Est. Priority Date: 12/06/1993
• Status: Expired due to Fees

• Current Assignee: K&A Design Company LLC
• Original Assignee: K&A Design Company LLC
• Inventors: Klundt, Kalvin
• Primary Examiner(s): STRYJEWSKI, WILLIAM T
• Application Number:
  US08/161,669
• Time in Patent Office: 897 Days
• Field of Search: 57/25, 57/26, 57/27, 29/160.6, 140/49
• US Class Current: 57/25
• CPC Class Codes: B21F 15/04 without additional connecting elements or material, e.g. by twisting
• CPC Class Codes: B21F 7/00 Twisting wire; Twisting wire together for connections of limited size B21F15/04

Abstract

A method for twisting an elongated cord member to form a permanently twisted cord element is preferably performed utilizing an apparatus which includes first and second end units, first and second securing and twisting assemblies for securing opposite end portions of the cord member to the first end unit and for thereafter axially rotating the opposite end portions of the cord member. The apparatus further includes an intermediate securing assembly on the second end unit for selectively rotatably and non-rotatably securing the cord member to the second end unit at an intermediate point in the cord member. The apparatus operative in the method by securing the opposite end portions of the cord member to the first end unit, securing the cord member to the intermediate securing assembly on the second end unit, axially rotating the opposite end portions of the cord member while maintaining the intermediate point of the cord member in stationary relation and then operating the intermediate securing assembly to allow the intermediate point to rotate so that opposite sections of the cord member are twisted about one another.

Claims

1. A method of forming a twisted cord element from an elongated cord member having opposite first and second end portions comprising;

securing said cord member at an intermediate point between said first and second end portions so as to define opposite first and second sections of said cord member which include said first and second end portions, respectively, and so as to releasably secure said intermediate point in non-rotatable relation;

assembling at least one bead element on at least one of said cord member sections;

axially twisting said first and second sections of said cord member in the same direction of rotation while maintaining said first and second sections of said cord member in spaced relation and under slight tension; and

allowing said intermediate point to rotate to allow said first and second sections of said cord member to twist about one another to form said twisted cord element with said bead element captured between portions of said first and second cord member sections.