Expandable high-pressure flexible-tube device
First Claim
1. An expandable high-pressure flexible device for sealing piping in gas or oil fields, the device comprising two end pieces and a tubular element interconnecting said end pieces, said tubular element having a longitudinal axis and comprising an elastomeric material and sheets of cords which are wound about said longitudinal axis at a small angle of about 10°
- to 15°
relative to said axis and which are crossed relative to said axis, said sheets comprising strong helically wound textile cords which are mutually separated by a predetermined spacing, the said device further comprising at least one sheet having longitudinal textile cords extending over the whole length of the device, the said longitudinal cords being parallel to said axis and mutually separated by a predetermined distance, the said helical cords and the said longitudinal cords being embedded in said elastomeric material and bonded thereto.
1 Assignment
0 Petitions
Accused Products
Abstract
An expandable high-pressure flexible tube device for sealing piping in gas or oil fields. The device comprises two end pieces interconnected by a tubular element having an elastomeric material and sheets of coils round about its longitudinal axis at a small angle of about 10° to 15° relative thereto. The sheets comprise strong helical textile cords mutually separated by a predetermined spacing. A sheet having longitudinal textile cords extends over the whole length of the device, the helical cords and longitudinal cords being imbedded in the elastomeric material.
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Citations
8 Claims
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1. An expandable high-pressure flexible device for sealing piping in gas or oil fields, the device comprising two end pieces and a tubular element interconnecting said end pieces, said tubular element having a longitudinal axis and comprising an elastomeric material and sheets of cords which are wound about said longitudinal axis at a small angle of about 10°
- to 15°
relative to said axis and which are crossed relative to said axis, said sheets comprising strong helically wound textile cords which are mutually separated by a predetermined spacing, the said device further comprising at least one sheet having longitudinal textile cords extending over the whole length of the device, the said longitudinal cords being parallel to said axis and mutually separated by a predetermined distance, the said helical cords and the said longitudinal cords being embedded in said elastomeric material and bonded thereto. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- to 15°
Specification