| Patent Number |
Title Of Patent |
Date Issued |
| 4898701 |
Manufacture of shaped articles from refractory powder |
February 6, 1990 |
| A method of making a shaped article comprises mixing a refractory powder with an aqueous acidic phosphate solution, subjecting the mixture thus formed to high shear to form a plastic mass, shaping the mass, and hardening the shaped mass at a temperature below the sintering temperature |
| 4792491 |
Gaskets |
December 20, 1988 |
| Graphite gaskets with an improved release characteristic are treated with a finely powdered release agent such a graphite powder which is then pressed into the gasket surface. |
| 4762641 |
Vermiculite moulding compositions and articles made therefrom |
August 9, 1988 |
| A moulding composition comprising particles of gas-exfoliated vermiculite (a category which includes thermally exfoliated vermiculite) contains as binder very fine particles (diameter below 50 .mu.m) of vermiculite from which interstitial magnesium ions have been at least partially remov |
| 4591166 |
Gasket and process of making gaskets from exfoliated graphite |
May 27, 1986 |
| Graphite gaskets with an improved release characteristic are embossed to form a relief pattern of relatively raised areas surrounded by predominantly interconnected depressions, followed by coating with a silicone rubber. |
| 4548678 |
Flexible sheet material and articles made therefrom |
October 22, 1985 |
| Flexible sheet material suitable for use in the manufacture of wear-resistant laminated articles such as bearings and rotor blades comprises particles of graphite and heat-resistant web-forming fibres, preferably of poly (aromatic amide), bound together with an organic binder, the pr |
| 4534922 |
Gaskets |
August 13, 1985 |
| Graphite gaskets with an improved release characteristic are pressed (to reduce their void content) and then embossed with a pattern of relatively raised areas surrounded by interconnected depressions. |
| 4530949 |
Housing for electrical or electronic equipment |
July 23, 1985 |
| A housing for electrical or electronic equipment is made by moulding under heat a composition comprising an organic thermosetting resin which includes exfoliated graphite in an amount which is enough to impart to the moulded article an electrical resistivity not greater than 10 ohm-cm.Th |
| 4529663 |
Flexible, asbestos-free gasket material |
July 16, 1985 |
| Non-asbestos flexible sheet material suitable for use in gaskets for the cylinder head of an internal combustion engine is made by dewatering on a water-permeable conveyor a layer of aqueous slurry and compressing and drying the dewatered layer, the aqueous slurry employed being one that |
| 4529662 |
Asbestos-free sheet material for spiral-wound gaskets |
July 16, 1985 |
| Non-asbestos flexible sheet material suitable for use in the manufacture of spiral wound gaskets is made by dewatering on a water-permeable conveyor a layer of aqueous slurry and compressing and drying the dewatered layer, the aqueous slurry employed being one that contains the following |
| 4529653 |
Flexible, asbestos-free gasket material |
July 16, 1985 |
| Non-asbestos flexible sheet material suitable for use in gaskets for the exhaust manifold of an internal combustion engine is made by dewatering on a water-permeable conveyor a layer of aqueous slurry and compressing and drying the dewatered layer, the aqueous slurry employed being one t |
| 4435235 |
Gasket manufacture |
March 6, 1984 |
| A method of manufacturing an expanded graphite gasket comprises the steps of taking co-operating male and female mould members, the female mould member comprising a channel extending through a block from one face to a directly opposite face, the channel as seen in plan having a width and |
| 4422894 |
Gasket manufacture |
December 27, 1983 |
| A flat gasket incorporating a metallic reinforcement layer which is enclosed within the gasket in relation to one edge thereof is formed from relatively uncompacted, i.e. loose, expanded graphite particles by a method comprising the step of pressing such particles onto the opposed fa |
