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US 2019/0170280 A1Published application
Torque Retention Arrangement
AssigneeBarnes Group Inc.
InventorJohn R. Otto
Life of this patent
Estimating the term…
Abstract
A torque retention arrangement for a flange bolt connector for use with pipe. The torque retention arrangement a carrier body and a plurality of springs. The carrier body can include a plurality of spring holes equi-spaced around a circumference. A plurality of springs in a vertical stack can be mounted in each of the plurality of spring holes in the carrier. Each spring is in a convex orientation in a pre-torque condition and is in a planar orientation in a post-torque condition.
Claims32
1-27. (canceled)
A method for facilitating in the connecting together of two flanges, said method comprising:
- a. providing a first flange;
- b. providing a flange connection interface;
- c. providing a torque retention arrangement, said torque retention arrangement including:
- a carrier having a first side and a second side opposite from and spaced from said first side, said carrier includes a plurality of through spring holes spaced around a circumference of said carrier;
- a first set of springs stacked within a first spring hole of said carrier, said first set of springs including first and second springs, each of said springs in said first set of springs is aligned in a vertical arrangement so as to be able to receive a first bolt therethrough, said first spring in said first set of springs is configured to be non-coplanar with said carrier in a pre-torque orientation and a plurality of said springs in said first set of springs are configured to be coplanar with said carrier in a loaded and torqued orientation, said first spring of said first set of springs stacked above said second spring of said first set of springs, a top surface of said first spring of said first set of springs is positioned above said first side of said carrier in said pre-torque orientation, said first and second springs of said first set of springs configured to enable said top surface of said first spring of said first set of springs to move downwardly toward said first side of said carrier in said torque orientation;
- and,
- a second set of springs stacked within a second spring hole of said carrier, said first set of springs including a first and second springs, each of said springs in said second set of springs is aligned in a vertical arrangement so as to be able to receive a second bolt therethrough, said first spring in said second set of springs is configured to be non-coplanar with said carrier in a pre-torque orientation and a plurality of said springs in said second set of springs are configured to be coplanar with said carrier in a loaded and torqued orientation, said first spring of said second set of springs stacked above said second spring of said second set of springs, a top surface of said first spring of said second set of springs positioned above said first side of said carrier in said pre-torque orientation, said first and second springs of said second set of springs configured to enable said top surface of said first spring of said second set of springs to move downwardly toward said first side of said carrier in said torque orientation;
- d. inserting said torque retention arrangement adjacent to said first flange;
- e. inserting a body of said first bolt through said first flange and said flange connection interface such that said body of said first bolt passes through said first set of springs in the torque retention arrangement, a first bolt opening in said first flange, and a first bolt opening in said flange connection interface;
- f. inserting a body of said second bolt through said first flange and said flange connection interface such that said body of said second bolt passes through said second set of springs in the torque retention arrangement, a second bolt opening in said first flange, and a second bolt opening in said second flange connection interface;
- and,
- g. fastening and tightening a nut to an end of said first and second bolts to cause said first flange and said flange connection interface to be drawn together and to cause said springs in said first and second spring sets to move to said loaded and torqued orientation and a plurality of springs in said first and second spring sets becoming coplanar with said carrier, and wherein aligning at least one of said springs in each of said first and second spring sets to be coplanar with said carrier indicates a proper torque force, and wherein a top surface of said second spring of said first and second set of springs is positioned below said top surface of said carrier when said first and second set of springs are in said post-torque orientation.
9 more elements
Dependencies are inferred from the claim text.