Concrete sleeper mould
US4717114A · kind A · utility
0Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 8, 1986 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | Jul 8, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B23/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In a bank of sleeper moulds wherein the moulds lie side by side and contain shoulder receiving apertures which locate shoulders during pouring, the improvements including a rocker shaft journalled for rotation with respect to the moulds and having retaining members thereon which retain the shoulders and urge them into engagement with locating means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.