Apparatus for the production of hollow bodies in a blowing process

Claim 1

AN APPARATUS FOR PRODUCING PREDETERMINED HOLLOW BODIES WITH CALIBRATED NECK OPENINGS FROM HOSE-SHAPED STARTING PRODUCTS, COMPRISING A MULTI-PART MOLD ADAPTED TO RECEIVE A HOSE-SHAPED STARTING PRODUCT, A BLOWING PIN MEANS DISPOSED AXIALLY RELATIVE TO SAID HOSE-SHAPED STARTING PRODUCT OUTSIDE OF AND ADJACENT TO SAID MOLD, AND FOR BLOWING UP SAID STARTING PRODUCT INTO AN INTERMEDIATE HOLLOW BODY, A PAIR OF CLAMPING MEANS DISPOSED AT THE END OF SAID HOSE-SHAPED STARTING PRODUCT OPPOSITE SAID BLOWING PIN MEANS AND CLAMPING SEALINGLY SAID OPPOSITE END OF SAID HOSE-SHAPED STARTING PRODUCT, SAID INTERMEDIATE HOLLOW BODY WITHIN SAID MOLD FORMING AT LEAST ONE ENCLOSED HOLLOW BODY, SAID MOLD HAVING AN INTERIOR COMPLEMENTARY TO THE SHAPE OF SAID PREDETERMINED HOLLOW BODIES TO BE PRODUCED AND DEFINING AT LEAST ONE NECK COMMUNICATING SAID INTERIOR OF SAID MOLD, SAID AT LEAST ONE NECK HAVING AN INNER PERIPHERY COMPLEMENTARY TO SAID CALIBRATED NECK OPENINGS TO BE PRODUCED, RESPECTIVELY, PIERCING BLOWING PIN MEANS COMPRISING A HOLLOW NEEDLE-SHAPED POINT, SAID NEEDLE-SHAPED POINT SUBSTANTIALLY SMALLER THAN SAID INNER PERIPHERY OF SAID AT LEAST ONE NECK, AND SAID PIERCING BLOWING PIN MEANS ADAPTED TO BE INSERTED THROUGH AID AT LEAST ONE NECK OF SAID MOLD AND FOR PIERCING SAID AT LEAST ONE ENCLOSED HOLLOW BODY WITH SAID NEEDLE-SHAPED POINT THEREBY FORMING A PIERCED OPENING THEREIN, AND FOR FEEDING A PRESSURE MEDIUM THROUGH SAID NEEDLE-SHAPED POINT AND SAID PIERCED OPENING INTO SAID AT LEAST ONE ENCLOSED HOLLOW BODY THEREBY DISPLACING AND WIDENING SAID AT LEAST ONE ENCLOSED HOLLOW BODY WITHIN THE RANGE OF SAID PIERCED OPENING OUTWARDLY AGAINST SAID INNER PERIPHERY OF SAID AT LEAST ONE NECK.

Claim 2

AN APPARATUS FOR PRODUCING PREDETERMINED HOLLOW BODIES WITH CALIBRATED NECK OPENINGS FROM HOSE-SHAPED STARTING PRODUCTS, COMPRISING A MULTI-PART MOLD ADAPTED TO RECEIVE A HOSE-SHAPED STARTING PRODUCT, A BLOWING PIN MEANS DISPOSED AXIALLY RELATIVE TO SAID HOSE-SHAPED STARTING PRODUCT OUTSIDE OF AND ADJACENT TO SAID MOLD, AND FOR BLOWING UP SAID STARTING PRODUCT INTO AN INTERMEDIATE HOLLOW BODY, A PAIR OF CLAMPING MEANS DISPOSED AT THE END OF SAID HOSE-SHAPED STARTING PRODUCT OPPOSITE SAID BLOWING PIN MEANS AND CLAMPING SEALINGLY SAID OPPOSITE END OF SAID HOSE-SHAPED STARTING PRODUCT, SAID INTERMEDIATE HOLLOW BODY WITHIN SAID MOLD FORMING AT LEAST ONE ENCLOSED HOLLOW BODY, SAID MOLD HAVING AN INTERIOR COMPLEMENTARY TO THE SHAPE OF SAID PREDETERMINED HOLLOW BODIES TO BE PRODUCED AND DEFINING AT LEAST ONE NECK COMMUNICATING SAID INTERIOR OF SAID MOLD, SAID AT LEAST ONE NECK HAVING AN INNER PERIPHERY COMPLEMENTARY TO SAID CALIBRATED NECK OPENINGS TO BE PRODUCED, RESPECTIVELY, PIERCING BLOWING PIN MEANS COMPRISING A HOLLOW NEEDLE-SHAPED POINT, SAID NEEDLE-SHAPED POINT SUBSTANTIALLY SMALLER THAN SAID INNER PERIPHERY OF SAID AT LEAST ONE NECK, AND SAID PIERCING BLOWING PIN MEANS ADAPTED TO BE INSERTED THROUGH AID AT LEAST ONE NECK OF SAID MOLD AND FOR PIERCING SAID AT LEAST ONE ENCLOSED HOLLOW BODY WITH SAID NEEDLE-SHAPED POINT THEREBY FORMING A PIERCED OPENING THEREIN, AND FOR FEEDING A PRESSURE MEDIUM THROUGH SAID NEEDLE-SHAPED POINT AND SAID PIERCED OPENING INTO SAID AT LEAST ONE ENCLOSED HOLLOW BODY THEREBY DISPLACING AND WIDENING SAID AT LEAST ONE ENCLOSED HOLLOW BODY WITHIN THE RANGE OF SAID PIERCED OPENING OUTWARDLY AGAINST SAID INNER PERIPHERY OF SAID AT LEAST ONE NECK.