Patent US3856899A successfully refreshed from Google Patents.
US3856899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for making beads
Assignee: Individual
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Filing: 1972-09-22
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Granted: 1974-12-24
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Expires: 1992-09-22
Abstract
Abstract A method is provided for pelletizing molten materials which consists in feeding the material to be pelletized through a vertical refractory vessel through a controlled atmosphere and discharging the same horizontally from a rotating circular edge as molten pellets into a fluid coolant wherein the molten pellets are cooled and solidified into solid pellets.
Inventors
- 👤 C Schott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:19
CPC Classifications
C; C03; C03B; C03B19/00; C03B19/10; C03B19/108; B; B01; B01J; B01J2/00; B01J2/02; B01J2/04; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10; C03B19/1005; C03B19/1015; C04; C04B; C04B5/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
103 words
A METHOD OF MAKING PELLETS COMPRISING THE STEPS OF: A. CONTINUOUSLY ROTATING A MEMBER HAVING A GENERALLY HOLLOW FRUSTO CONICAL END AND CARRYING MATERIAL TO THE PELLETIZED ABOUT A VERTICAL AXIS; B. HEATING SAID MATERIAL TO BE PELLETIZED IN A CONTROLLED ATMOSPHERE IN SAID FRUSTO CONICAL END TO MAINTAIN A MOLTEN GENERALLY FRUSTO CONICAL LAYER OF MATERIAL WITHIN SAID MEMBER SUFFICIENTLY FLUID TO FLOW ACROSS THE FRUSTO CONICAL END; C. DISCHARGING THE MOLTEN MATERIAL AS SPHERES FROM A ROTATING CIRCULAR EDGE OF SAID MEMBER AT THE LARGE END OF AID FRUSTO CONICAL LAYER; AND D. COOLING THE DISCHARGED MATERIAL TO SOLIDIFY THE SAME.
Claim 2
Independent Claim
103 words
A METHOD OF MAKING PELLETS COMPRISING THE STEPS OF: A. CONTINUOUSLY ROTATING A MEMBER HAVING A GENERALLY HOLLOW FRUSTO CONICAL END AND CARRYING MATERIAL TO THE PELLETIZED ABOUT A VERTICAL AXIS; B. HEATING SAID MATERIAL TO BE PELLETIZED IN A CONTROLLED ATMOSPHERE IN SAID FRUSTO CONICAL END TO MAINTAIN A MOLTEN GENERALLY FRUSTO CONICAL LAYER OF MATERIAL WITHIN SAID MEMBER SUFFICIENTLY FLUID TO FLOW ACROSS THE FRUSTO CONICAL END; C. DISCHARGING THE MOLTEN MATERIAL AS SPHERES FROM A ROTATING CIRCULAR EDGE OF SAID MEMBER AT THE LARGE END OF AID FRUSTO CONICAL LAYER; AND D. COOLING THE DISCHARGED MATERIAL TO SOLIDIFY THE SAME.
Claim 3
Dependent Claim
15 words
The method as claimed in claim 1 wherein the controlled atmosphere is an oxidizing atmosphere.
Claim 4
Dependent Claim
15 words
The method as claimed in claim 1 wherein the controlled atmosphere is a reducing atmosphere.
Claim 5
Dependent Claim
15 words
The method as claimed in claim 1 wherein the controlled atmosphere is a neutral atmosphere.
Claim 6
Dependent Claim
26 words
The method as clAimed in claim 1 wherein the discharged molten material is cooled at a controlled rate by discharging the same into a fluid coolant.
Claim 7
Independent Claim
115 words
A method for disintegrating molten materials carrying a solid phase in the form of undissolved particles comprising the steps of: a. continuously rotating a member having a generally hollow frusto conical end and carrying said materials about a vertical axis; b. heating said materials in a controlled atmosphere to maintain a molten generally frusto conical layer of molten fluid material within said member sufficient to flow on said frusto conical end; c. discharging the molten material and contained solid phase from a rotating circular edge of said member at the large end of said frusto conical layer as individual molten particles with contained solid phase; and d. cooling the discharged particles to solidify the same.
Claim 8
Independent Claim
115 words
A method for disintegrating molten materials carrying a solid phase in the form of undissolved particles comprising the steps of: a. continuously rotating a member having a generally hollow frusto conical end and carrying said materials about a vertical axis; b. heating said materials in a controlled atmosphere to maintain a molten generally frusto conical layer of molten fluid material within said member sufficient to flow on said frusto conical end; c. discharging the molten material and contained solid phase from a rotating circular edge of said member at the large end of said frusto conical layer as individual molten particles with contained solid phase; and d. cooling the discharged particles to solidify the same.
References Cited (Backward Citations)
US3694528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |