| Patent Number |
Title Of Patent |
Date Issued |
| 5037247 |
Powder pump with internal valve |
August 6, 1991 |
| A powder pumping apparatus including a pump body formed with a pumping chamber having a venturi passageway, a suction tube intersecting the pumping chamber and an air nozzle including a valve mechanism which discharges pressurized air directly into the venturi passageway of the pumpi |
| 5017324 |
Method for depositing particulate material into a pad of fibrous material in a forming chamber |
May 21, 1991 |
| A method and apparatus for forming a non-woven pad consisting of fibrous material in which highly moisture-absorbent particles are intermixed with the fibrous material throughout a predetermined portion of the thickness of the non-woven pad. The non-woven pad is formed atop a conveyor mo |
| 4927346 |
Apparatus for depositing particulate material into a pad of fibrous material in a forming chambe |
May 22, 1990 |
| An apparatus for forming a non-woven pad consisting of fibrous material in which highly moisture-absorbent particles are intermixed with the fibrous material throughout a predetermined portion of the thickness of the non-woven pad. The non-woven pad is formed atop a conveyor moving throu |
| 4873937 |
Method and apparatus for spraying powder into a continuous tow |
October 17, 1989 |
| A method and apparatus for spraying particulate powder material into a continuous roving or tow formed of individual strands comprises a hollow spraying chamber having inlet and outlet guides for receiving the tow moving axially therethrough. A stream of air-entrained particulate powder |
| 4770344 |
Powder spraying system |
September 13, 1988 |
| A power spray system for applying particulate powder material to a substrate includes a volumetric or gravimetric dry material feeding device having an outlet connected to a manifold formed with an internal cavity and a plurality of passageways communicating with the internal cavity. A |
