Manufacture of insulating products
US4142933A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1976 |
| Grant date | Mar 6, 1979 |
| Priority date | — |
| Expiry date | Dec 14, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B9/06
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A filter press, e.g. for the manufacture of insulation products from an aqueous slurry, which has a number of movable platen portions. The platens have individual actuating means which are adjustable relative to one another but are controlled by a common drive which can move all the portions simultaneously as one platen. Also the method of using the press for the manufacture of insulation products. SU The present invention relates to the manufacture of sheet or slab form insulation products from relatively free flowing slurries, for example containing calcium silicate and/or fibre. In particular it relates to a filter press which can be used to make such products. It also relates to a method of making sheet or slab form insulation products. Such products may be made by paper and/or board making techniques, they may also be made by filter pressing in which a measured volume of slurry is poured into a foraminous mould cavity and then de-watered by pressing. Conventional platen presses can be used for this, but uneven pressure distribution and fluid leakage around the edges of the press platen tend to give a product of irregular thickness and density. It is an object of the present in…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.