3-dimensional printing apparatus and dispensing device
US10252465B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2016 |
| Grant date | Apr 9, 2019 |
| Priority date | — |
| Expiry date | Dec 22, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C64/118
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present disclosure provides a dispensing device and a 3-D printing apparatus including the same. The dispensing device comprises a main body with a main body heater, a head portion and a heating device. The main body includes a passage with a longitudinal axis and the main body heater is used for heating the material in at least a section of the passage to a flowable condition. The head portion is connected to an end of the passage and communicates with the passage and further includes an outlet for discharging the heated material. The heating device includes a peripheral path surrounding the head portion and heats a region surrounded by the peripheral path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.