Title: Cap closure and method of producing same

Abstract: A cap closure is provided for bonding to the neck of a container. The cap closure includes a base portion enclosed by a side wall, a peripheral rim extending outwardly from the side wall with the rim being adapted for bonding to the neck of the container, an administration port connected to the base portion, a medication addition port connected to the base portion, a resealable injection site connected to the medication addition port, and port protectors covering and hermetically sealing the administration and medication addition ports. In the illustrative embodiment, the base portion, side wall, peripheral rim, administration port and medication addition ports are molded as an integral, unitary member, and a method is provided for fusing a membrane to the medication addition port and for fusing port protectors with the base member.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Ward, Gary A. (Round Lake, IL, US)
Winchell, David A. (Twin Lakes, WI, US)

Application Number: 885480
Filing Date: 1978-03-13
Publication_date: 1979-05-08
Assignee: Baxter Travenol Laboratories, Inc. (Deerfield, IL)
Primary Class(es): 215/232 215/247, 215/251, 215/309
Other Classes:
US Patent Ref:

2665024	Jan, 1954	Putz	215/251.
2665816	Jan, 1954	Anft	215/309.
3025988	Mar, 1962	Williams	215/32.
3480172	Nov, 1969	Shine	215/251.
3655102	Apr, 1972	Moran	215/309.
4000829	Jan, 1977	Johnson	215/247.
4011961	Mar, 1977	Widen	215/232.

Other Refs: 2539578

Mar, 1976	DE

Primary Examiner: Hart, Ro E.
Assistant Examiner:
Attorney: Flattery; Paul C., Kirby, Jr.; John P., Gerstman; George H.