Hypodermic needle mounting

Claim 1

IN A HYPODERMIC NEEDLE MOUNTING ADAPTED FOR ONETIME USE COMPRISING IN COMBINATION: A METALLIC CANNULA HAVING A POINTED OUTER END AND AN INNER END; A HUB BODY FORMED OF AN ORGANIC PLASTIC HAVING A BORE PRESENTING INNER AND OUTER ENDS AND HAVING A DIAMETER THROUGHOUT A CANNULA MOUNTING PORTION THEREOF GREATER THAN THE OUTSIDE DIAMETER OF SAID CANNULA, THE LATTER HAVING ITS INNER END DISPOSED IN SAID BORE WITH AN ANNULAR SPACE INTERVENING ITS OUTER SURFACE AND THE BORE FACE, ABUTMENT MEANS FORMING AN INTEGRAL PART OF SAID HUB BODY AND EXTENDING INWARDLY INTO SAID BORE ADJACENT ITS INNER END TO PROVIDE A STOP ENGAGEABLE BY THE INNER CANNULA END TO LIMIT THE ENTRY OF THE CANNULA INTO SAID BORE, SAID BORE HAVING AT LEAST ONE ANNULAR RECESS DISPOSED INTERMEDIATE THE ENDS OF SAID BORE AND WITHIN THE ZONE IN WHICH THE INNER END OF SAID CANNULA IS DISPOSED, AND DAID OUTER END OF THE BORE BEING FLARED OUTWARDLY; AND AN ADHESIVE MATERIAL FILLING SAID ANNULAR SPACE SHORT OF THE INNER END OF SAID CANNULA AND SAID ABUTMENT MEANS TO ASSURE AGAINST SAID ADHESIVE MATERIAL ENTERING THE LUMEN OF THE CANNULA, SAID ADHESIVE MATERIAL ALSO FILLING SAID RECESS AND FORMING A CASE SHEATH SURROUNDING SAID CANNULA ALONG THE ENTIRE INNER END ZONE OF THE LATTER TO ATTACH THE HUB TO THE CANNULA, SAID ADHESIVE CAST SHEATH HAVING RELATIVELY GREATER BONDING AFFINITY FOR SAID CANNULA THAN FOR SAID HUB BODY, SAID CAST SHEATH BEING MECHANICALLY LOCKED INTO SAID MOUNTING INTERMEDIATE THE ENDS OF THE BORE AT SAID ANNULAR RECESS WHEREBY ITS RELATIVELY LOWER BONDING AFFINITY FOR SAID BODY IS SUPPLEMENTED TO PROVIDE INCREASED ATTACHMENT STRENGTH BETWEEN SAID SHEATH AND SAID HUB, THE MATERIAL OF SAID SHEATH BEING UNAFFECTED BY A TEMPERATURE OF SUBSTANTIALLY 165* F., THE MATERIAL OF SAID HUB BODY BECOMING DISTORTED WHEN SUBJECTED TO SUBSTANTIALLY SUCH TEMPERATURE.