← Back to Patent Explorer
FR2425014A2 Expired / Lapsed FR ⏱️ 0.0 years remaining

Screw-type fixing device for plaster etc. - has external sheath in two parts fitted around plastics inner sheath

Assignee: Vape SA
•
Filing: 1978-02-27
•
Granted: —
•
Expires: 1998-02-27
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A plastics sheath is moduled round the screw, an external sheath round the plastics sheath locating it positively in the axial direction, and forming with it a concentric expansion absorption chamber. The external sheath is in two parts (5a, 5b) fitted together round the plastic one (2). The parts can be of metal, and the plastics sheat can have a portion forming a plug for the external sheath. Both sheaths can engage together so that they cannot turn in relation to each other.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 22:20
CPC Classifications
E; E01; E01B; E01B9/00; E01B9/02; E01B9/04; E01B9/10; E01B9/14; E01B9/18; F; F16; F16B; F16B13/00; F16B13/04; F16B13/06; F16B13/063; F16B13/065; F16B13/12; F16B13/124

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

FR2315568A1 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