Patent US3595302A successfully refreshed from Google Patents.
US3595302A
Expired / Lapsed
US
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Cooling structure for continuous-casting mold
Assignee: Schloemann AG
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Filing: 1968-05-13
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Granted: 1971-07-27
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Expires: 1988-05-13
Abstract
Abstract In an open-ended continuous-casting mold in which molten metal poured in the top of the open-ended mold cavity is cooled by the mold and withdrawn from the bottom as a partially solidified strand, and in which the mold cavity is defined by the face surfaces of mold plates attached to backing plates, structure for cooling the mold comprises ducts for cooling fluid integral with the mold plates. The ducts are formed at the interface between the backing plates and the mold plates, the cross-sectional dimensions of the ducts, their arrangement, and the thicknesses through the walls of the mold plates from the ducts to the face surfaces of the mold plates being such that fluid flowing through the ducts abstracts more heat in a given time from the upper portions of the mold cavity than from its lower portions. In molds for casting slabs having elongated, generally rectangular cross sections the thickness of the mold plate walls, between the ducts and the face surfaces of the mold plates, are less at their central portions than at their side edge portions, so that the cooling fluid will abstract more heat from the central portions of the elongated sides of the mold cavity than from the end portions of said sides.
Inventors
- 👤 Paul Mallener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:22
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/055
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
139 words
The structure of claim 1 in which the mold plates are attached to the backing plates by bolts, each of which has an end attached to one of said backing plates and an enlarged head at the other end, each of said bolts having a cup-shaped washer loosely carried thereon with the skirt of the washer extending along the sides of said head and being attached in an aperture in the adjacent mold plate, the interior of the base of said cup-shaped washer being hemispherically rounded and there being an element on each bolt between the head and the interior of the washer thereon having a rounded annular surface adapted to engage and slide on the interior of said base of the washer, thereby to permit relative lateral movement of each mold plate and the backing plate attached thereto.
Claim 2
Dependent Claim
107 words
The cooling structure of claim 1 in which, for molds having a mold cavity with an elongated generally rectangular cross section for casting slabs, the thicknesses of the mold plates defining the elongated opposite sides of the mold cavity, as measured from the ducts through to said face surfaces at right angles thereto, are less at the central portions of the mold plates than at their side edge portions, as means for cooling fluid flowing through the ducts to abstract more heat in a given time from the central portIons of the elongated sides of the mold cavity than from the end portions of said elongated sides.
Claim 3
Dependent Claim
148 words
The structure of claim 1 in which the ducts are formed by grooves in at least one of the surfaces at the interfaces between the backing plates and the mold plates, said grooves extending in a direction substantially at right angles to the direction of metal through the mold cavity, said inlet means including separate channels respectively for conducting fluid to grooves at the upper portions of the interfaces and to grooves at the lower portions of the interfaces, with said channels to the grooves at the upper portions being larger in diameter than the channels to the grooves at the lower portions for providing a larger volume of fluid flow through the grooves at the upper portions as means for cooling fluid flowing through the ducts to abstract more heat in a given time from the upper portions of the mold cavity than from its lower portions.
Claim 4
Dependent Claim
113 words
The structure of claim 1 in which the ducts are formed by grooves in at least one of the surfaces at the interfaces between the backing plates and the mold plates, said grooves extending in a direction substantially at right angles to the direction of metal through the mold cavity, the thicknesses of the mold plates from the respective grooves through to said face surfaces at right angles thereto being less at the upper portions of said interfaces than at their lower portions as means for cooling fluid flowing through the ducts to abstract more heat in a given time from the upper portions of the mold cavity than from its lower portions.
Claim 5
Dependent Claim
140 words
The structure of claim 1 in which the ducts are formed by grooves in at least one of the surfaces at the interfaces between the backing plates and the mold plates, said grooves extending in a direction substantially at right angles to the direction of metal through the mold cavity, the grooves all being substantially the same cross-sectional width, the depths of the grooves at the respective upper and lower portions of said interfaces being such that the thicknesses of the mold plates from the respective grooves through to said face surfaces at right angles thereto are less at the upper portions of said interfaces than at their lower portions as means for cooling fluid flowing through the ducts to abstract more heat in a given time from the upper portions of the mold cavity than from its lower portions.
Claim 6
Dependent Claim
44 words
The structure of claim 6 in which the grooves are spaced closer together at the upper portions of the interfaces than at the lower portions as additional means for abstracting more heat in a given time from the upper portions of the mold cavity.
Claim 7
Dependent Claim
143 words
The structure of claim 1 in which the ducts are formed by grooves in at least one of the surfaces at the interfaces between the backing plates and the mold plates, said grooves extending in a direction substantially at right angles to the direction of metal through the mold cavity, grooves at the upper portions of said interfaces respectively having greater cross-sectional areas than grooves at the lower portions, and the depths of grooves respectively at the upper and lower portions of the interfaces being such that the thicknesses of the mold plates from the respective grooves through to said face surfaces at right angles thereto are less at the upper portions of the interfaces than at their lower portions as means for abstracting more heat in a given time from the upper portions of the mold cavity than at its lower portions.
Claim 8
Dependent Claim
116 words
The structure of claim 1 in which the ducts are formed by at least one of the surfaces at the interfaces between the backing plates and the mold plates being undercut from their upper portions to their lower portions with the depth and location of the undercutting at the upper and lower portions being such that the thicknesses of the mold plates from the undercut portions through to said face surfaces at right angles thereto are less at the upper portions than at their lower portions as means for cooling fluId flowing through the ducts to abstract more heat in a given time from the upper portions of the mold cavity than from its lower portions.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |