Back to results
US 10,145,031 B2Granted
Metallic card clothing
AssigneeGraf + Cie AG
InventorWilly Grob
Life of this patent
Estimating the term…
Abstract
A card clothing wire (1) for use on drums in cards has a root (2) and a blade (3) having an overall height of the wire (h1) of 1.5 mm to 5 mm. The blade (3) is provided with teeth (4) having a tooth depth (h6) of 0.35 mm to 1.0 mm, and having a tooth pitch (p) of 1.5 mm to 3 mm. The teeth (4) have a tip surface (7), a back surface (8) having a back angle (γ), and a tooth face surface. The back angle (γ) is 40° to 20° and each tooth (4) has a first tip (5) and a second tip (6) and the tip surface (7) has at least one elevation (9).
Claims10
A card clothing wire for use on drums in cards, comprising:
- a root;
- a blade comprising a blade base;
- the root and blade having an overall height of the wire of 1.5 mm to 5 mm;
- teeth provided on the blade and having a tooth depth of 0.35 mm to 1.0 mm, and having a tooth pitch of 1.5 mm to 3 mm;
- the teeth comprising a tip surface, a back surface having a back angle from 40° to 20°, and a tooth face surface;
- each tooth comprising a first tip and a second tip;
- the tip surface comprising at least one elevation;
- the first tip formed in the tooth face surface;
- and
- wherein the first tip is connected to the tooth base via a first concave surface segment having a tooth base radius of 0.1 mm to 0.5 mm.
7 more elements
Dependencies are inferred from the claim text.