Welding apparatus and manufacturing method for multilayer pocket spring string, and manufacturing device for pocket spring mattress
US11877663B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2021 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Feb 7, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB68G15/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed are a welding apparatus and manufacturing method for a multilayer pocket spring string, and a manufacturing device for a pocket spring mattress. The welding apparatus may include: at least one first welding module configured for welding cloth, so that an accommodating cavity for accommodating a spring is separated to form at least two layers of first cavities; at least one first driving mechanism configured for driving the first welding module to move along a layer-column direction of the first cavity; a second welding module configured for welding the cloth, so that the cloth forms the accommodating cavities arranged at intervals; and at least two spring conveying mechanisms arranged at intervals, the spring conveying mechanism is configured for clamping and conveying the spring into the corresponding first cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.