Patent EP0346680A1 successfully refreshed from Google Patents.
EP0346680A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Internal mixer with modified rotors
Assignee: Compagnie Generale des Etablissements Michelin SCA
•
Filing: 1989-05-30
•
Granted: —
•
Expires: 2009-05-30
Abstract
Abstract The rotor (1) for internal mixing comprises blades (10) whose profile ensures adequate stressing of the rubber between the blade (10) and the internal wall of the chamber (2). This profile comprises, successively, a progressively converging region (23), a passage at the tip (21), a progressively diverging region (24), then a zone breaking the continuity of the profile, called a detachment (22), followed by an accentuated diverging region (25). <IMAGE>
Inventors
- 👤 Dominique Simonet
- 👤 Michel Garmy
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 13:54
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/06; B29B7/10; B29B7/18; B29B7/183; B29B7/186; B29B7/80; B29B7/82; B29B7/826; B29B7/74; B29B7/7476; B29B7/7495
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.