Double rotation apparatus for molding of hollow articles from liquid plastic and the like

Claim 1

IN APPARATUS FOR THE DOUBLE ROTATION OF MOLDS WHILE HEATING THEM TO SET HEAT SETTING PLASTIC MATERIAL THEREIN. THE COMBUSTION OF, AN AIR PERVIOUS MOLD CARRIER COMPRISING A GENERALLY RECTANGULAR PERIPHERAL PORTION AND ONE OR MORE CROSS FRAME MEMBERS EXTENDING BETWEEN OPPOSED SIDE OF SAID PERIPHERAL PORTION, SAID PHERIPHERAL PORTION AND SAID CROSS MEMBERS BEING APERTURED AT SPACED INTERVALS TO RECEIVE MOLD ATTACHMENT MEANS TO DISPOSE MOLS THEREON PROJECTING AT RIGHT ANGLES TO THE PLANE OF THE MOLD CARRIER, AND FLANGES PROJECTING OUTWARDLY LATERALLY FROM THE SIDES OF AID PERIPHERAL PORTION, AND AN AIR PERVIOUS SUPPORT FOR THE MOLD CARRIER COMPRISING, A DISCONTINUOUS SUPPORT SURFACE, A PAIR OF SIDE MEMBERS DISPOSED IN PARALLEL SPACED RELATION AND HAVING MEANS EXTENDING INWARDLY TOWARD ONE ANOTHER ABOVE THE LEVEL OF THE SUPPORT SURFACE DEFINING GUIDEWYS, A STOP DISPOSED SUBSTANTIALLY IN THE PLANE OF THE GUIDEWAYS, LOCK MEANS OPERATIVE WHEN A CARRIER IS DISPOSED ON THE SUPPORT IN ABUTTING RELATION TO SAID STOP AND WITH ITS FLANGES WITHIN SAID GUIDEWAYS, TO PREVENT THE CARRIER FROM SLIDING OFF THE SUPPORT MEANS, AND FRAME MEMBERS INTERCONNECTING AND SPACING APART SAID ANGLE MEMBERS, SAID STOP AND SAID LOCK MEANS.