Patent ID: 11879302
Assignee: INTERWELL NORWAY AS
Field: Mechanical elements (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 10:
11. A method for manufacturing a sealing element for a well tool device, wherein the method comprises:
providing a mould shaped as the sealing element;
inserting an extrusion preventing device comprising a wire wound with a plurality of turns to form a torus-shaped coiled spring into the mould;
filling molten elastomeric material into the mould, thereby incorporating the torus-shaped coiled spring into the molten elastomeric material;
curing the elastomeric material; and
retrieving the sealing element from the mould,
wherein each turn of the torus-shaped coiled spring is canted with a first angle (α1) with respect to a radial direction of a poloidal plane, and
wherein each turn of the torus-shaped coiled spring is canted with a second angle (α2) with respect to a longitudinal direction of the poloidal plane.