# US 6,503,080 B1 · Baking support

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- Number: US 6,503,080 B1
- Document ID: US6503080B1
- Status: Granted
- Kind: B1
- Application number: 09/592,866
- Filed: 2000-06-13
- Granted: 2003-01-07
- Earliest claimed: 1999-06-14
- Assignees: Ceric
- Inventors: Gérard Coudamy
- Web page: https://patentgrep.com/patent/US6503080B1

## CPC

- F27B 9/10: heated by hot air or gas
- F27D 3/12: Travelling or movable supports or containers for the charge
- F27D 5/00: Supports, screens or the like for the charge within the furnace
- Y10T 428/24149: Honeycomb-like
- F27B: FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27D: DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

Products which are to be traversed vertically by a flow of hot gases, such as ceramic supports of honeycomb structure, are supported in an oven by novel structure during baking. The novel structure is a thin horizontal plate of porous ceramic foam. But because this plate of porous ceramic foam is fragile, it is specially supported by a plurality of parallel horizontal bars. These horizontal bars can be of either or both of two types: in one type, the bars are received in grooves on the underside of the porous ceramic foam plate and project below the lower surface of the plate. In another form, the bars pass through bores in the ceramic plate. When both types of bars are used, the bars of one type are perpendicular to the bars of the other type. In all cases, the bars rest on support structure of the oven, so that the plate of porous ceramic foam does not touch this support structure.

## Claims

### Claim 1

A process for supporting in an oven, products which are to be traversed vertically by a flow of hot gas, the process comprising the steps of:
positioning the products on a plate of porous ceramic foam that has recesses therein;
placing the plate on bars that are received in the recesses in order to make the plate rigid; and
supporting the bars on carrying elements in the oven.

### Claim 2 (depends on 1)

A process as claimed in claim 1, wherein said recesses are provided in a lower surface of said plate of ceramic foam and said bars project below the lower surface of said plate.

### Claim 3 (depends on 1)

A process as claimed in claim 1, wherein said bars pass through bores in said plate.

### Claim 4

A device for supporting products in an oven which are to be traversed vertically by a flow of hot gas, comprising:
a thin plate of ceramic foam; and
bars that support said plate, said bars resting on carrying elements of an oven,
wherein said bars are disposed in grooves provided in a lower surface of the plate, said bars projecting below said lower surface.

### Claim 5 (depends on 4)

A device as claimed in claim 4, in which complementary bars pass through the mass of the porous ceramic foam and are perpendicular to the bars received in grooves in the lower surface of the plate.

### Claim 6 (depends on 5)

A device as claimed in claim 5, wherein said complementary bars extend beyond the plate to bear on support elements of the oven.