Showerhead assembly
US8511587B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 13, 2011 |
| Grant date | Aug 20, 2013 |
| Priority date | — |
| Expiry date | Nov 26, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B15/654
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A shower head has a nozzle, a shell, a water inlet, and an assembly for holding the nozzle. The assembly has an upper plate made of a first plastic material and has a first opening having a first diameter through which the nozzle extends, a lower plate made of a second plastic material and has a second opening through which the nozzle extends, and an elastomeric middle plate has a third opening having a third diameter that is smaller than the first or second diameter through which the nozzle extends and is in contact therewith. The first material and the second material are ultrasonically welded together to trap the middle plate therebetween and the first opening, the second opening and the third opening are roughly coaxial with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.