Apparatus for manufacturing glass fibre mats

Claim 1

APPARATUS FOR MANUFACTURING A MAT OF GENERALLY UNIFORM THICKNESS AND DENSITY FROM STAPLE GLASS FIBRES COMPRISING, IN COMBINATION: MANUFACTURING MEANS FOR PRODUCING INDIVIDUAL GLASS FIBRES; GUIDE MEANS ENTRAINING SAID FIBRES IN A MAIN CURRENT OF AIR EXTENDING FROM SAID FIBRE PRODUCING MEANS TO A FIBRE DEPOSITING STATION; SAID GUIDE MEANS INCLUDING A DISTRIBUTING HEAD FORMED AS AN EXTENSION OF SAID GUIDE MEANS ON THE PORTION THEREOF NEAREST SAID FIBRE DEPOSITING STATION, SAID DISTRIBUTING HEAD BEING INVERTED U- OR CHANNEL-SHAPED CROSS SECTION AND MOUNTED ON SAID GUIDE MEANS FOR RECIPROCABLE MOVEMENT RELATIVE THEREOF, SAID GUIDE MEANS FURTHER INCLUDING MEANS FOR DIRECTING SAID MAIN CURRENT OF AIR INTO SAID GUIDE MEANS FOR TRAVELLING SAID FIBRES ALONG THE UPPER PERIPHERY OF SAID GUIDE MEANS AND SAID DISTRIBUTING HEAD AND MEANS FOR DIRECTING STREAMS OF AIR INTO SAID MAIN CURRENT OF AIR UPWARDLY AT AN ANGLE THEREOF; AIR INLET MEANS FOR INTRODUCING ADDITIONAL STREAMS OF AIR INTO SAID MAIN AIR CURRENT; AND A TRAVELLING RECEIVING MEMBER AT SAID DEPOSITING STATION FOR RECEIVING SAID INDIVIDUAL FIBRES ISSUING FROM SAID DISTRIBUTING HEAD IN RANDOM SUPERPOSED RELATIONSHIP TO BUILD UP A MAT OF UNIFORM DENSITY AND THICKNESS.