Expansion joint within an anchor rode
OwnerGilles Pellerininventor
Life of this patent
Estimating the term…
Abstract
The extensible segment in an anchor rode comprises a rubber core enclosed in a base rope along the central axis of the base rope. A braided cover further encloses an intermediate portion of the rubber core inside the base rope. The braided cover is made of braided cover strands embedded in the rubber core, and un-braided cover strands extending over the two ends of the rubber core. The un-braided cover strands are weaved into the base rope to retain the rubber core longitudinally inside the base rope.
Claims12
An extensible segment in an anchor rode, comprising:
- a rubber core having a diameter and a length defining two ends;
- a braided cover enclosing an intermediate portion of said rubber core;
- said braided cover being made of braided cover strands embedded in said rubber core, and un-braided cover strands extending over said two ends of said rubber core, and
- a braided base rope made of braided base rope strands;
- said rubber core and said braided cover being mounted inside said base rope along a central axis of said base rope;
- said un-braided cover strands being weaved into and with said base rope strands for retaining said rubber core longitudinally inside said base rope, and for transmitting tensile stress in said base rope to said rubber core.
A method for manufacturing an extensible segment in an anchor rode comprising the steps of:
- providing a braided base rope;
- providing an extruded rubber rod made of crude natural rubber, nonvulcanized, and having a durometer value of about seventy;
- applying a tack coat on said rubber rod and allow said tack coat to dry;
- passing said rubber rod through a braiding machine, and forming a braided cover over said rubber rod, thereby forming an encapsulated rubber rod;
- vulcanizing said encapsulated rubber rod and causing said braided cover to become embedded in said rubber rod;
- applying a coat of urethane marine finish paint over said encapsulated rubber rod and allowing said paint to dry;
- partly inserting said encapsulated rubber rod into said braided base rope;
- undoing a braiding in said braided cover at each end of said encapsulated rubber rod, and liberating six braided cover strands at each end of said encapsulated rubber rod;
- enclosing said encapsulated rubber rods and said braided cover strands completely inside said base rope;
- smoothing said base rope over said encapsulated rubber rod;
- extracting said braided cover strands from said base rope, and
- weaving said braided cover strands into said base rope.
Dependencies are inferred from the claim text.