Device for producing cylindrical cavities in a layer of gelled material
US4471677A · kind A · utility
6Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1983 |
| Grant date | Sep 18, 1984 |
| Priority date | — |
| Expiry date | Feb 8, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9423
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
Semi-automatic device which makes it possible to produce cylindrical cavities, according to a given geometrical arrangement, in a layer of gelled material, the said device consisting of a set of several individual devices each of which, as shown in FIG. 1, consists of a cutter inside which a suction tube slides, it being possible for a pressure reduction to be created in the said suction tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.