Door for refrigerator, refrigerator and method of manufacturing the door
US11796244B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 15, 2019 |
| Grant date | Oct 24, 2023 |
| Priority date | — |
| Expiry date | Jan 18, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D23/064
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a door for a refrigerator, a refrigerator and a method of manufacturing the door. The door comprises a door frame enclosed at a periphery, and a first side plate and a second side plate located on two opposed sides of the door frame, the door frame, the first side plate and the second side plate forming a receiving space for receiving a foaming material, wherein the door frame is provided with at least one material overflow preventing assembly which comprises an air discharge hole disposed on the door frame, a receiving cavity communicated with the air discharge hole, and a material discharging passage communicated with the receiving cavity, the air discharge hole is communicated with the external, and the material discharging passage is communicated with the receiving space. The present invention makes the manufacturing cost lower and the quality of products of the door higher.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.