Methods of plugging honeycomb bodies
US11992794B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2019 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Jun 18, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B11/007
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of plugging a honeycomb body is disclosed herein, the method comprising: applying a mask layer to a honeycomb body comprising a plurality of channels; forming a plurality of holes in the mask layer such that the plurality of holes are aligned with the plurality of channels; positioning a nozzle defining an opening proximate the mask layer; moving at least one of the nozzle and the honeycomb body relative to one another; and passing a plugging cement through the opening defined by the nozzle against the mask layer such that the plugging cement passes through the plurality of holes in the mask layer and enters the plurality of channels of the honeycomb body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.