IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0842990
(2001-04-26)
|
|
발명자
/ 주소 |
|
| 대리인 / 주소 |
Wirthlin, Alvin R.Akin Gump Strauss Hauer & Feld LLP
|
| 인용정보 |
피인용 횟수 :
10 인용 특허 :
10 |
초록
▼
A mold assembly for a container closure includes a mold portion with a stripper ring adapted for engaging a shoulder of the closure, and a threaded core having an external, asymmetrical helical thread defining an internal, asymmetrical helical thread of the closure. The external, asymmetrical helica
A mold assembly for a container closure includes a mold portion with a stripper ring adapted for engaging a shoulder of the closure, and a threaded core having an external, asymmetrical helical thread defining an internal, asymmetrical helical thread of the closure. The external, asymmetrical helical thread has a ramped surface defining a ramped surface of the internal, asymmetrical helical thread. Relative linear movement between the stripper ring and the threaded core causes withdrawal of the threaded core from the closure in a linear direction. The ramped surfaces of the internal and external, asymmetrical helical threads cooperate to facilitate the withdrawal.
대표청구항
▼
A mold assembly for a container closure includes a mold portion with a stripper ring adapted for engaging a shoulder of the closure, and a threaded core having an external, asymmetrical helical thread defining an internal, asymmetrical helical thread of the closure. The external, asymmetrical helica
A mold assembly for a container closure includes a mold portion with a stripper ring adapted for engaging a shoulder of the closure, and a threaded core having an external, asymmetrical helical thread defining an internal, asymmetrical helical thread of the closure. The external, asymmetrical helical thread has a ramped surface defining a ramped surface of the internal, asymmetrical helical thread. Relative linear movement between the stripper ring and the threaded core causes withdrawal of the threaded core from the closure in a linear direction. The ramped surfaces of the internal and external, asymmetrical helical threads cooperate to facilitate the withdrawal. 37/206; US-5790730, 19980800, Kravitz et al., 385/049; US-5973337, 19991000, Knapp et al., 257/099; US-6144507, 20001100, Hashimoto, 359/819; US-6150193, 20001100, Glenn, 438/113; US-6228676, 20010500, Glenn et al., 438/107; US-6303978, 20011000, Daniels et al., 257/642; US-6396043, 20020500, Glenn et al., 250/208.1
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