Patent US4395022A successfully refreshed from Google Patents.
US4395022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for controlled cooling of metallurgical products
Assignee: Centre de Recherches Metallurgiques CRM ASBL
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Filing: 1978-02-02
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Granted: 1983-07-26
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Expires: 1998-02-02
Abstract
Abstract A metallurgical product, e.g. wire rod emerging from a hot rolling mill, is subjected to controlled cooling by immersing it in a bath, e.g. an aqueous bath, kept at a given temperature. During immersion, the bath is stirred, e.g. mechanically or by means of a fluid. In a controlled cooling installation a cover arranged above the bath has a condenser for recovering vapor from the bath.
Inventors
- 👤 Philippe A. Paulus
- 👤 Marios Economopoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:48
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/63; C21D1/64; C21D1/56; C21D1/60; C21D9/00; C21D9/46; C21D9/48; C21D9/52; C21D9/54; C21D9/56; C21D9/573; C21D9/5732
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
137 words
An installation for controlled cooling of a metallurgical product, comprising, a vessel for holding a liquid bath, a device for continuously transferring the product to said vessel, a cover arranged above the vessel, said cover being provided with a condenser for recovering vapour from the bath, means for continuously raising the product from the vessel, and means for keeping a substantially homogeneous temperature throughout the bath, in which the cover of the vessel comprises: (a) a first portion formed by a corrugated condenser of the contact type, arranged above the vessel and extending from its inlet side to at least a point where the conveyor or the product emerges from the path; and (b) a second portion which is of a heat-insulating nature and extends from the said point at least to the outlet of the vessel.
Claim 2
Dependent Claim
137 words
An installation for controlled cooling of a metallurgical product, comprising, a vessel for holding a liquid bath, a device for continuously transferring the product to said vessel, a cover arranged above the vessel, said cover being provided with a condenser for recovering vapour from the bath, means for continuously raising the product from the vessel, and means for keeping a substantially homogeneous temperature throughout the bath, in which the cover of the vessel comprises: (a) a first portion formed by a corrugated condenser of the contact type, arranged above the vessel and extending from its inlet side to at least a point where the conveyor or the product emerges from the path; and (b) a second portion which is of a heat-insulating nature and extends from the said point at least to the outlet of the vessel.
Claim 3
Dependent Claim
25 words
An installation as claimed in claim 1, in which the condenser extends over the entire vessel, and the heat-insulating portion is displaceable underneath the condenser.
Claim 4
Dependent Claim
24 words
An installation as claimed in claim 1, in which the said portions of the cover are each formed by a plurality of similar members.
Claim 5
Dependent Claim
54 words
An installation as claimed in claim 1, in which the bath is an aqueous bath and in which the contact-condenser is provided on its cooling side with a cooling-fluid supply means whose specific capacity is such that the condensate is at a temperature higher than 60° C. when it falls back into the bath.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-25 | 1987-01-24 | 1987-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-25 | 1991-01-24 | 1991-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-25 | 1995-01-24 | 1995-07-26 | $7700.00 | Window Closed / Lapsed |