Patent US4715812A successfully refreshed from Google Patents.
US4715812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kiln furniture
Assignee: Elektroschmelzwerk Kempten GmbH
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Filing: 1986-04-21
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Granted: 1987-12-29
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Expires: 2006-04-21
Abstract
Abstract Kiln furniture for supporting ceramic products to be baked in a high-speed baking kiln includes an inorganic fibrous material needled blanket having a plurality of depressions therein, and a plurality of separate basic bodies of a ceramic material mounted in the depressions and forming an upper emplacement surface for supporting the ceramic products.
Inventors
- 👤 Alfred G. von Matuschka
- 👤 Klaus Liethschmidt
- 👤 Hubertus Webert
- 👤 Emil K. Kohler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:41
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/0003; F27D1/0006; F27D1/0009; B; B28; B28B; B28B11/00; B28B11/24; B28B11/248; F27D5/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
123 words
Kiln furniture for supporting ceramic products to be baked in a high-speed baking kiln, comprising: a laminar support including a needled blanket impregnated with an inorganic binder or a binder-free needled blanket, said blanket having a lower stack-up surface in contact with a conveyor surface of said kiln and an upper surface with a plurality of depressions in the form of preformed slots and/or grooves therein; and a plurality of separate segment-like basic bodies made of a ceramic material and fitted in said depressions on said blanket, said basic bodies being relatively small, having simple shapes and having cross-sections resistant to thermoshock, said basic bodies together forming an emplacement surface for supprting said ceramic products to be baked in said high-speed baking kiln.
Claim 2
Dependent Claim
123 words
Kiln furniture for supporting ceramic products to be baked in a high-speed baking kiln, comprising: a laminar support including a needled blanket impregnated with an inorganic binder or a binder-free needled blanket, said blanket having a lower stack-up surface in contact with a conveyor surface of said kiln and an upper surface with a plurality of depressions in the form of preformed slots and/or grooves therein; and a plurality of separate segment-like basic bodies made of a ceramic material and fitted in said depressions on said blanket, said basic bodies being relatively small, having simple shapes and having cross-sections resistant to thermoshock, said basic bodies together forming an emplacement surface for supprting said ceramic products to be baked in said high-speed baking kiln.
Claim 3
Dependent Claim
28 words
Kiln furniture according to claim 1; wherein each of said basic bodies as a cross-sectional configuration of one of a rectangle, T-shape, U-shape and I-shape of limited length.
Claim 4
Dependent Claim
28 words
Kiln furniture according to claim 1; wherein said basic bodies are inserted in said depressions such that said emplacement surface projects above an upper surface of said support.
Claim 5
Dependent Claim
24 words
Kiln furniture according to claim 1; wherein said support has a field of depressions, and said basic bodies are selectively fit within said depressions.
Claim 6
Dependent Claim
17 words
Kiln furniture according to claim 4; wherein said depressions in said field are aligned with each other.
Claim 7
Dependent Claim
56 words
Kiln furniture according to claim 1; wherein said support is formed with a plurality of depressions, said plurality of basic bodies are mounted in said depressions, one of an indentation and nub is formed in each depression and the other of the indentation and nub is formed on a corresponding basic body for mating engagement therewith.
Claim 8
Dependent Claim
25 words
Kiln furniture according to claim 1; wherein said support includes a plurality of depressions, and said plurality of basic bodies are glued in said depressions.
Claim 9
Dependent Claim
40 words
Kiln furniture according to claim 1; wherein said support is formed of a fibrous material on a base of alumina and said basic bodies are formed on a base of at least one of silicon carbide, alimina silicate, and alumina.
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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) | 1990-12-28 | 1991-06-29 | 1991-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-12-28 | 1995-06-29 | 1995-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-12-28 | 1999-06-29 | 1999-12-29 | $7700.00 | Window Closed / Lapsed |