# US 11,440,061 B2 · Method for removing adhering matter

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- Number: US 11,440,061 B2
- Document ID: US11440061B2
- Status: Granted
- Kind: B2
- Application number: 16/937,688
- Filed: 2020-07-24
- Published: 2021-05-06
- Granted: 2022-09-13
- Earliest claimed: 2019-11-05
- Assignees: Toyota Jidosha Kabushiki Kaisha
- Applicants: Toyota Jidosha Kabushiki Kaisha
- Inventors: Yasuhiko Shirai; Hironobu Matsui
- Web page: https://patentgrep.com/patent/US11440061B2

## CPC

- B08B 3/08: the liquid having chemical or dissolving effect
- B08B 7/00: Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B24B 31/003: {whereby the workpieces are mounted on a holder and are immersed in the abrasive material}
- B24C 1/04: for treating only selected parts of a surface, e.g. for carving stone or glass
- B08B 2220/01: Adhesive materials
- Y02P 10/25: Process efficiency
- B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B24B: MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B23F, of screw-threads B23G1/36; by electro-erosion B23H; abrasive or related blasting B24C; tools for grinding, buffing or sharpening B24D; polishing compositions C09G1/00; abrasives C09K3/14; electrolytic etching or polishing C25F3/00; grinding arrangements for use on assembled railway tracks E01B31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24C: ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

An adhering matter removing method for removing adhering matter on a surface of an article includes the step of immersing a target surface of the article into a fluidized bed.

## Claims

### Claim 1

An adhering matter removing method for removing adhering matter on a surface of an article, the method comprising:
a step of immersing a target surface of the article into a fluidized bed; and
a step of shaking the article during immersion to remove the adhering matter,
wherein the step of immersing includes the steps of placing the article on a mounting table and moving the mounting table downward until the article is immersed in a fluidized bed,
wherein the step of shaking includes shaking the mounting table, and
wherein the article is a molded object including a powder and a binding agent.

### Claim 2 (depends on 1)

The method according to claim 1, wherein during the step of immersing the article, the target surface is faced in a direction of the fluidized bed, and
wherein the target surface of the article comprises less than an entire outer surface of the article, and only the target surface of the article is immersed into the fluidized bed.

### Claim 3

An adhering matter removing method for removing adhering matter on a surface of an article, the method comprising:
a step of immersing a target surface of the article into a fluidized bed; and
a step of shaking the article during immersion to remove the adhering matter,
wherein the step of immersing includes the steps of placing the article on a mounting table and moving the mounting table downward until the article is immersed in a fluidized bed,
wherein the step of shaking includes shaking the mounting table, and
wherein the article is a molded object obtained by a powder fixing lamination method.

### Claim 4 (depends on 3)

The method according to claim 3, wherein during the step of immersing the article, the target surface is faced in a direction of the fluidized bed, and
wherein the target surface of the article comprises less than an entire outer surface of the article, and only the target surface of the article is immersed into the fluidized bed.

### Claim 5

An adhering matter removing method for removing adhering matter on a surface of an article, the method comprising:
a step of immersing a target surface of the article into a fluidized bed; and
a step of shaking the article during immersion to remove the adhering matter,
wherein the step of immersing includes the steps of placing the article on a mounting table and moving the mounting table downward until the article is immersed in a fluidized bed,
wherein the step of shaking includes shaking the mounting table, and
wherein the article is a core for casting.

### Claim 6 (depends on 5)

The method according to claim 5, wherein during the step of immersing the article, the target surface is faced in a direction of the fluidized bed, and
wherein the target surface of the article comprises less than an entire outer surface of the article, and only the target surface of the article is immersed into the fluidized bed.