Mold cavity volume measuring apparatus
US4715221A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Aug 5, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01F17/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for measuring the volume of a mold cavity of the type having a plurality of small dimension air venting passages in communication with the mold cavity. The apparatus includes an extensible membrane enclosure which is inserted into the mold cavity and filled with liquid from a liquid-holding vessel connected to the extensible membrane enclosure. Measurement of liquid in the liquid-holding vessel with a calibrated scale assembly is made prior to and subsequent to filling of the extensible membrane enclosure for determining the volume of the mold cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.