Cap and closure for containers

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1. A THREE-PIECE MOLDED PLASTIC CAP STRUCTURE FOR A CONTAINER COMPRISING, IN COMBINATION:

(A) AN INVERTED MOLDED PLASTIC CUP CONSTITUTED OF A CHEMICALLY INACTIVE SUBSTANCE ADAPTED TO HAVE A MINIMUM REACTION WITH LIQUID CONTENTS OF A CONTAINER ON WHICH THE CAP IS USED, SAID CUP HAVING A TRANSVERSE TOP WALL AND HAVING MEANS COOPERABLE WITH DETENT MEANS OF A CONTAINER OPENING, FOR DETACHABLY ATTACHING THE CUP WHEN IN SAID INVERTED POSITION TO BE CONTAINER TO CLOSE THE OPENING THEREOF, (B) SEALING MEANS DISPOSED AT THE INSIDE OF SAID TRANSVERSE WALL OF THE CUP AND ENGAGEABLE WITH THE LIP OF THE CONTAINER AT THE OPENING THEREOF, FOR SEALING AGAINST SAID LIP AND CONFORMING TO SLIGHT IRREGULARITIES THEREOF, (C) AN ANNULAR UPRIGHT MOLDED PLASTIC COVER PIECE HAVING TOP AND BOTTOM ENDS, EXTENDING AROUND SAID CUP WITH ITS BOTTOM END ENGAGED WITH THE RIMM PORTION OF THE CUP, SAID TOP END OF THE COVER PIECE EXTENDING AROUND A PORTION OF THE CUP, (D) A SECOND MOLDED PLASTIC COVER PIECE SEPARATE FROM THE FIRST AND COVERING OVER THE CLOSED PORTION OF SAID CUP, (E) SAID UPPER END OF THE FIRST-MENTIONED COVER PIECE AND A PORTION OF SAID SECOND COVER PIECE BEING ABUTTED AND ATTACHED ONE TO THE OTHER WHEREBY THE TWO SAID COVER PIECES FULLY ENCLOSE SAID CUP EXCEPT FOR THE CUP OPENING, (F) SAID COVER PIECES BEING CONSTITUTED OF A THERMOPLASTIC SUBSTANCE ADAPTED TO BE READILY DECORATED AS BY HEAT STAMPING.

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1. A THREE-PIECE MOLDED PLASTIC CAP STRUCTURE FOR A CONTAINER COMPRISING, IN COMBINATION:
- (A) AN INVERTED MOLDED PLASTIC CUP CONSTITUTED OF A CHEMICALLY INACTIVE SUBSTANCE ADAPTED TO HAVE A MINIMUM REACTION WITH LIQUID CONTENTS OF A CONTAINER ON WHICH THE CAP IS USED, SAID CUP HAVING A TRANSVERSE TOP WALL AND HAVING MEANS COOPERABLE WITH DETENT MEANS OF A CONTAINER OPENING, FOR DETACHABLY ATTACHING THE CUP WHEN IN SAID INVERTED POSITION TO BE CONTAINER TO CLOSE THE OPENING THEREOF, (B) SEALING MEANS DISPOSED AT THE INSIDE OF SAID TRANSVERSE WALL OF THE CUP AND ENGAGEABLE WITH THE LIP OF THE CONTAINER AT THE OPENING THEREOF, FOR SEALING AGAINST SAID LIP AND CONFORMING TO SLIGHT IRREGULARITIES THEREOF, (C) AN ANNULAR UPRIGHT MOLDED PLASTIC COVER PIECE HAVING TOP AND BOTTOM ENDS, EXTENDING AROUND SAID CUP WITH ITS BOTTOM END ENGAGED WITH THE RIMM PORTION OF THE CUP, SAID TOP END OF THE COVER PIECE EXTENDING AROUND A PORTION OF THE CUP, (D) A SECOND MOLDED PLASTIC COVER PIECE SEPARATE FROM THE FIRST AND COVERING OVER THE CLOSED PORTION OF SAID CUP, (E) SAID UPPER END OF THE FIRST-MENTIONED COVER PIECE AND A PORTION OF SAID SECOND COVER PIECE BEING ABUTTED AND ATTACHED ONE TO THE OTHER WHEREBY THE TWO SAID COVER PIECES FULLY ENCLOSE SAID CUP EXCEPT FOR THE CUP OPENING, (F) SAID COVER PIECES BEING CONSTITUTED OF A THERMOPLASTIC SUBSTANCE ADAPTED TO BE READILY DECORATED AS BY HEAT STAMPING.

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