Apparatus for the casting of hollow slabs out of concrete
US4786242A · kind A · utility
7Cited by
15References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 3, 1986 |
| Grant date | Nov 22, 1988 |
| Priority date | — |
| Expiry date | Jun 3, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B7/28
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A casting apparatus for casting a hollow slab out of concrete includes a feeder member having an axis extending between first and second ends thereof and a forming member supported on the apparatus adjacent the second end of the feeder member. A central longitudinal axis of the feeder member is moved at a first end thereof along a path of movement of a set shape and a point of the axis of the forming member is maintained in a stationary position relative to the axis of the feeder member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.