[특허]Injection molding

Injection molding 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-045/14 B29C-045/84
출원번호	US-0707400 (2007-02-16)
등록번호	US-7455518 (2008-11-25)
발명자 / 주소	Anctil,Albert R. Allen,Richard L. Hussain,Tasadduq
출원인 / 주소	Rexam Prescription Products Inc.
대리인 / 주소	Reising, Ethington, Barnes, Kisselle, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 58

초록 ▼

A method and apparatus for injection molding an article including a radially extending child resistant feature. Finish block halves are provided that include a pocket and that are closable together to form a neck-finish mold cavity. Mold body halves are provided that include a core portion and that are closable together to form a body mold cavity. The core portion is advanceable toward the pocket to cooperate therewith to define a cavity for forming the child resistant feature. The core portion may be integrally formed into one or more of the mold body halves, or may be separately mounted and relatively movable with respect thereto.

대표청구항 ▼

We claim: 1. Apparatus for injection molding an article, said apparatus comprising: a plurality of finish blocks that at least partially defines a neck-finish mold cavity; a plurality of mold bodies that at least partially defines a first mold cavity and that is disposed adjacent said plurality of finish blocks; a core portion on at least one of a rearward end of said finish blocks or a forward end of said mold bodies; and a pocket in at least one of said rearward end of said finish blocks or said forward end of said mold bodies; wherein said core portion is movable toward said pocket so that said core portion and said pocket cooperate to define a second mold cavity, said second mold cavity communicating with said first mold cavity for forming a closure release integrally molded with said article in said apparatus, and wherein said core portion and said pocket include cooperating male and female features to at least partially define said closure release including a depressible bar and a cantilevered lug. 2. The apparatus as set forth in claim 1, wherein said core portion is disposed in fixed position on said at least one of said plurality of mold bodies, said at least one of said plurality of mold bodies being movable toward said at least one of said plurality of finish blocks to move said core portion into said pocket to form said closure release of the article, whereby said at least one of said plurality of mold bodies is retractable to move said core portion out of said pocket. 3. The apparatus as set forth in claim 2, wherein said core portion is movably mounted to said at least one of said plurality of mold bodies for movement into said pocket to form said closure release element, whereby said core portion is retractable out of said pocket. 4. Apparatus for injection molding a plastic preform having a preform body for subsequent blow molding into a container having a container body, a neck finish and a closure release including a depressible bar and a cantilevered lug cantilevered radially outwardly from said neck finish, said apparatus comprising; a pair of preform finish blocks that, when brought together, form a mold cavity for said neck finish, one of said pair of preform finish blocks having a pocket at a rearward end of said pair of preform finish blocks for forming a portion of said cantilevered lug; and a pair of preform mold bodies that, when brought together, form a first mold cavity for the preform body, one of said pair of preform mold bodies including a core portion at a forward end of said pair of preform mold bodies that is movable into said pocket to define with said pocket a second mold cavity, said second mold cavity communicating with said first mold cavity for injection molding said cantilevered lug; wherein said core portion and said pocket include cooperating male and female features to at least partially define the depressible bar and the cantilevered lug of the closure release. 5. The apparatus as set forth in claim 4, wherein said core portion is disposed in fixed position on said one of said pair of preform mold bodies, said one of said pair of preform mold bodies being movable toward said one of said pair of preform finish blocks to move said core portion into said pocket to form said second mold cavity for said closure release element, whereby said one of said pair of preform mold bodies is retractable to move said core portion out of said pocket. 6. The apparatus as set forth in claim 4, wherein said core portion is movably mounted to said one of said pair of preform mold bodies for movement into said pocket to form said second mold cavity for said closure release element, whereby said core portion is retractable out of said pocket.

이 특허에 인용된 특허 (58)

Miller,William E.; Dong,Lingxin; Favot,Frank; Marshall,Michael; Paegel,Walter; Yakimishyn,Randy, Apparatus and method for removing a molded article from a mold.
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Kontz Robert F. (Toledo OH), Apparatus for blow molding.
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Taluba Anthony P. (Lebanon NJ) Taluba Paul A. (Morrisville NY), Apparatus for forming a molded squeeze toy including whistle.
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Maes Paul (Grimbergen BEX) MacGilp Neil A. (Waterloo OH BEX) Meyer Eric W. (Cincinnati OH), Apparatus for forming the neck finish of blow molded containers.
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Ninneman Lawrence D. (Toledo OH), Apparatus for forming tubular plastic articles.
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Ekkert Len (Lemont IL), Apparatus for molding closures having tamper evident bands.
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Kontz Robert F. (Toledo OH), Apparatus for molding plastic articles.
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Virog ; Jr. John J. (Massapequa Park NY) Von Hagel Leo (North Massapequa NY), Blow molded plastic bottle and antitamper cap.
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Crisci Harry (New Castle PA), Blow molding devices.
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Wohlgemuth Emanuel E., Bottle mold and adjustable top block assembly and top block alignment members.
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Boxer ; Leo M. ; Boxer ; Robert W., Child resistant closure.
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Konefal Robert S. ; Vander Noel T., Child resistant package.
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Konefal Robert S. ; Vander Noel T., Child resistant package.
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Konefal Robert S. ; Vander Noel T., Child resistant package.
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Fuchs Timothy J., Child resistant package utilizing one piece closure.
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Fuchs Timothy J. (Perrysburg OH), Child resistant spout package.
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Swartzbaugh Peter T. (Toledo OH), Child-resistant package.
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Grant Chris J. (Brentford GBX), Container with integrally molded closure/tamper indicator.
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Gellert Jobst U. (7A Prince Street Georgetown ; Ontario CAX L7G 2X1 ), Cooled thread split inserts for injection molding preforms.
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Wang James Chi-Hwi (Kendall Park NJ), Hot pin parison injection molding technique.
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Marcus Paul (85 Pascack Road Pearl River NY 10965), Injection blow molding apparatus.
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Saumsiegle Robert W. (Needham MA) Harry Ieuan L. (Billerica MA), Injection blow molding apparatus and method.
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Thornock Del M. (Concord CA) Goldberg James R. (Novato CA) Kock Ronald W. (Wyoming OH) Paul Robert A. (Fairfield OH) Hamilton Peter W. (Cincinnati OH) Willhite ; Jr. William (Cincinnati OH), Injection blow molding process for forming a package exhibiting improved child resistance.
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Sorensen Jens O. (Rancho Santa Fe CA), Injection molding of thin-walled plastic products.
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Amin, Nadeem; Schmitz, Thomas; Lahe, Harvy; Ferenc, Stephen, Injection molding system and method using cavity flange and neck ring insert.
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Miyazawa Yoshiki (Ueda JPX) Fukai Hidehiko (Nagano JPX) Sakurai Heijiro (Nagano JPX), Injection molding system for making preform with undercut.
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Julian Randall K. (Evansville IN), Injection-blow molding apparatus.
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Ruttinger ; Sr. Frank A. (Newman GA), Method and apparatus for forming a multi-layer preform.
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Meyer Eric W. (Brussels OH BEX) Van Coney Robert H. (Cincinnati OH), Method for blow-molding a container having a neck-portion with internal attachment means.
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Valyi Emery I. (5200 Sycamore Ave. Riverdale NY 10471), Method for making composite plastic article.
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Fukai Hidehiko (Komoro JPX), Method of cooling a preform in a cooling tube.
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Schneible Seth R. (South Salem NY), Method of making a safety closure for a container.
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Uhlig Albert R. (Toledo OH), Method of making blown plastic articles.
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Gellert, Jobst Ulrich, Method of making injection molding cooled thread split inserts.
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Yokobayashi Kazuyuki (Ueda JPX), Method of manufacturing a plastic can body by injection molding a preform followed by a blow molding process.
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Salemi Tony, Modified plastic bottle injection blow-molding apparatus and method.
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Tony Salemi, Modified plastic bottle injection blow-molding apparatus and process.
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Saumsiegle ; Robert W. ; Harry ; Ieuan L., Mold assembly.
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Von Holdt John W. (7430 N. Croname Rd. Niles IL 60648), Mold for container with recess-defining flange.
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Nakamura Yoshinori (Ueda JPX), Mold for injection molding preform with undercut lip.
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Von Holdt John W. (7430 North Croname Rd. Niles IL 60648), Mold for manufacturing flanged objects without side action.
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Starkey Glenn, Mold having a side-action cam mechanism and molding method.
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Marcinek John A. (Westfield MA), Mold-core rod combination for forming an injection molded plastic parison.
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VON Holdt ; John W., Pivot assembly mold apparatus.
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von Holdt John W. (7430 N. Croname Rd. Niles IL 60648), Pivot mold assembly method.
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Spurr Robert (West Hartford CT), Plastic bottle forming machine.
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Randall A. Hickman, Plastic injection molding apparatus.
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Orimoto Hiroyuki (Ueda JPX) Amari Fumiya (Komoro JPX), Plastic vessel preform and mold for forming the same.
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Olaru, George; Sicilia, Robert, Post mold cooling of preforms.
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Wright John B.,CAX ; Burrows Mark W.,CAX ; Kovac Walter,CAX, Preform injection mould with slide taper locks.
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Gram Jes Tougaard,DKX, Procedure for the production of an assembled object.
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Hubert Guy (Lasne-Chapelle-Saint-Lambert BEX) Michel Edmond (Brussels BEX), Process for the production of oriented hollow bodies.
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Sorensen Soren Christian,KNX ; Sorensen Jens Ole,KNX, Removal of injection-molded tie from mold by moving core disposed outside of abutment wall of tie.
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Morris Glenn H. (4203 Highwood Drive Chattanooga TN 37415), Safety closure for containers.
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Rapchak Thomas P. (New Castle PA) Marino Michael (New Castle PA), Safety lock screw cap and container.
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Opresco Ovidiu (New York NY), Screws-on child resistant consumer-friendly closure.
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Hutchinson,Gerald A.; Lee,Robert A.; Feichtinger,Heinrich K., System for controlling mold temperatures.
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Morris ; Glenn H., Tightly closed safety cap and vial.
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