Dispensing capsule and method and apparatus of forming same
US11673737B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Aug 22, 2017 |
| Grant date | Jun 13, 2023 |
| Priority date | — |
| Expiry date | Dec 30, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B29/022
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for high speed continuous thermoforming of pulp materials into pulp based products including a beverage dispensing capsule comprising a body having a side wall and a base formed entirely of moulded pulp fibres, said apparatus comprising a holding tank for water and pulp fibres in suspension, a continuous feed belt of articulated mesh toolsets contoured to the preform shape of said products, said belt being inclined to allow partial immersion and partial withdrawal from said suspension by continuous rotation of said belt, vacuum means applied to said mesh toolsets to draw said pulp fibres onto said mesh toolsets immersed in said suspension to form a preform pulp mat of said product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.