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1. WO2020113220 - TORQUE LIMITING FASTENER

Publication Number WO/2020/113220
Publication Date 04.06.2020
International Application No. PCT/US2019/064004
International Filing Date 02.12.2019
IPC
F16B 31/02 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
31Screwed connections specially modified in view of tensile load; Break-bolts
02for indicating or limiting tensile load
CPC
F16B 31/021
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
31Screwed connections specially modified in view of tensile load; Break-bolts
02for indicating ; the attainment of a particular tensile load; or limiting tensile load
021by means of a frangible part
Applicants
  • CLASSIC CONNECTORS, INC. [US]/[US]
Inventors
  • TAMM, Carl, Russel
  • WOLF, Randy, L.
Agents
  • JOVANOVIC, Jovan, N.
Priority Data
16/205,28730.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TORQUE LIMITING FASTENER
(FR) ÉLÉMENT DE FIXATION DE LIMITATION DE COUPLE
Abstract
(EN)
A torque limiting fastener comprises a body. The body defines a first body portion and a second body portion that extend from a first end of the body to a second end of the body. The body comprises an inner surface extending from the first end of the body to the second end of the body. The body further comprises an outer surface extending from the first end of the body to the second end of the body. The body yet further comprises an inner threadform extending substantially along a length of the inner surface of the second body portion and a controlled break region. The controlled break region is disposed at an intersection of the first body portion and the second body portion. The controlled break region includes an outer surface break point formed into the outer surface and an inner surface break point formed into the inner surface.
(FR)
L'invention concerne un élément de fixation de limitation de couple qui comprend un corps. Le corps définit une première partie de corps et une seconde partie de corps qui s'étendent d'une première extrémité du corps à une seconde extrémité du corps. Le corps comprend une surface intérieure s'étendant de la première extrémité du corps à la seconde extrémité du corps. Le corps comprend en outre une surface extérieure s'étendant de la première extrémité du corps à la seconde extrémité du corps. Le corps comprend également une forme de filetage interne s'étendant sensiblement le long d'une longueur de la surface intérieure de la seconde partie de corps et une zone de rupture contrôlée. La zone de rupture contrôlée est disposée à une intersection de la première partie de corps et de la seconde partie de corps. La zone de rupture contrôlée comprend un point de rupture de surface extérieure formé dans la surface extérieure, et un point de rupture de surface intérieure formé dans la surface intérieure.
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