← Back to Patent Explorer
EP0154423A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Wrapped radio opaque yarn

Assignee: Vernon Carus Ltd
•
Filing: 1985-02-11
•
Granted: —
•
Expires: 2005-02-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A radio opaque yarn comprises a bundle of filled polypropylene fibres containing 54% to 80% <w>/w of barium sulphate, the bundle being bound with up to 20% <w>/w of substantially unfilled polyester fibres.

Inventors

  • 👤 Edmund Hugh Carus

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-06 11:35
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/44; D02G3/441

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 37 words
A radio Opaque yarn comprising a bundle of filled fibres containing not less than 54% w /w of barium sulphate, characterised in that the bundle being bound with up to 20% w /w of substantially unfilled fibre.
Claim 2
Dependent Claim 37 words
A radio Opaque yarn comprising a bundle of filled fibres containing not less than 54% w /w of barium sulphate, characterised in that the bundle being bound with up to 20% w /w of substantially unfilled fibre.
Claim 3
Dependent Claim 24 words
A radio opaque yarn as claimed in claim 1, characterised in that the binding fibre comprises less than 5% w /w of the yarn.
Claim 4
Dependent Claim 30 words
A radio opaque yarn as claimed in any preceding claim characterised in that the diameter of the binding fibre is 0.05 of the diameter of the bundle of filled fibres.
Claim 5
Dependent Claim 25 words
A radio opaque yarn as claimed in any preceding claim, characterised in that the yarn comprises 2 to 8 turns per cm of binding fibre.
Claim 6
Dependent Claim 24 words
A radio opaque yarn as claimed in claim 4, characterised in that the yarn comprises 4 to 6 turns per cm of binding fibre.
Claim 7
Dependent Claim 18 words
A radio opaque yarn as claimed in any preceding claim, characterised in that the binding fibre comprises polyester.
Claim 8
Dependent Claim 20 words
A radio opaque yarn as claimed in any preceding claim characterised in that the filled fibre comprises polypropylene or polyester.
Claim 9
Dependent Claim 24 words
A radio opaque yarn as claimed in claim 8, characterised in that the filled fibre comprises 54% to 80% w /w of barium sulphate.
Claim 10
Dependent Claim 24 words
A radio opaque yarn as claimed in claim 8 characterised in that the filled fibre comprises 54% to 70% w /w of barium sulphate.
Claim 11
Dependent Claim 25 words
A radio opaque yarn as claimed in any of claims 7 to 9 characterised in that the yarn includes an alkanoyl triisostearoyl titanate coupling agent.

References Cited (Backward Citations)

GB839718A Cited
FR1188629A Cited
FR2125527A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag