Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent
1988-12-02
1990-11-06
Yost, Frank T.
Cutting
With product handling means
Means to move, guide, or permit free fall or flight of product
83176, 83385, 83620, 83682, 83687, 83923, B26F 114
Patent
active
049676261
ABSTRACT:
A mechanism for cutting a tire carcass into small sections for disposal. An array of adjoining female die sections has knife edges forming the sides of each die and shearing sections forming the corners of each die. Matching, shearing fit male punches opposingly face each die and material clasping anvils extend through each die facing the punches. A tire carcass is placed between the anvils and the punches. The anvils and punches are actuated against each other clamping the tire carcass. Punch pressure overrides the opposing anvil pressure, driving the combination of anvil, carcass and punch through the die. The forward extending knife edges penetrate the rubber of the carcass, shearing the rubber as the carcass is held taut between the anvils and the punches. The punches then proceed through the die, shearing the reinforcing cords against the corner shearing sections. The clamping action of the anvils and punches substantially prevents the carcass from escaping the cutter. The two part cutting action which cuts the rubber and then shears the reinforcing cords substantially reduces the resistance of the carcass to cutting. The mechanism will cut steel reinforced tire carcasses with minimal effort and without hogging or jamming.
REFERENCES:
patent: 3217574 (1965-11-01), Nauta et al.
patent: 3826166 (1974-07-01), Hemmings
patent: 4276800 (1981-07-01), Koppa et al.
patent: 4338840 (1982-07-01), Farrel, Sr. et al.
patent: 4355556 (1982-10-01), Ulsky
patent: 4694716 (1987-09-01), Sakamoto
Barnett Jimmy
Barnett Joe W.
Doster John
Norcross Alexander
Rada Rinaldi
Yost Frank T.
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