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Blow Molded Container

a container and blow molding technology, applied in the field of blow molding containers, can solve the problems of not being able to pull the blow pin tooling, not being able to blow the cone part created by steel, and not being able to blow the cone par

Inactive Publication Date: 2012-07-19
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0010]The present invention is directed towards a blow molded container comprising a physical geometry that creates more than one undercut, preferably a recess, and a closure retention mechanism for attaching a closure to an opening or neck of said container.

Problems solved by technology

Blowing this container geometry with today's traditional blow molding technology, is not possible, as the container would have undercuts in the concave portion of the shoulder.
This is because when the molding cavity tools are to be opened, the steel creating the concave part becomes trapped.
This is because one would not be able to pull the blow pin tooling which creates the snap bead from underneath the formed bead feature.
Yet, recess geometries that can be unmolded with a straight-pull in a blow mold are highly restricted in design, limiting the integration of the closure with the blown container and therefore all the benefits stated above.
The inside of the container is not highly calibrated, increasing the probability of poor engagement between container and closure, and thus leading to potential leaking.
An operation that cuts-away excess material is inherently not cost-effective and should be avoided.
Furthermore, any cutting operation requires straight access to the part that shall be cut away restricting the available recess geometry and limiting the integration of the closure with the blown container and therefore all the benefits stated above.

Method used

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Examples

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Embodiment Construction

[0016]For the purposes of the present invention, suitable recesses are those that permit a portion of the article to wrap around at least part of a closure, when said closure is coupled with said article. Such recess may allow the closure, when coupled to said article, to remain substantially flush to the apex of the outermost surface of said article. By “at least part of a closure” it is herein intended that said portion extends around the perimeter of the closure to form an angle of at least 45°, preferably at least 60°, more preferable between 60° and 360°, taken from the centre of the closure and in the x-y plane, when said closure is coupled to said article.

[0017]The term “integrated” as used herein intends that: (i) at least part of said closure remains substantially flush with at least one surface of the article, preferably the outer surface of said shoulder; and (ii) that at least one shoulder of said article wraps around at least part of said closure, preferably forming at ...

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Abstract

The present invention is directed to a container comprising a retention mechanism for attaching a closure to an opening or neck of a container with a portion of the container body comprising a physical geometry that creates more than one undercut.

Description

CROSS REFERENCE TO RELATED APPLICATION[0001]The application claims priority to U.S. Provisional Application Ser. No. 61 / 433,062, filed on Jan. 14, 2011; and U.S. Provisional Application Ser. No. 61 / 433,052, filed on Jan. 14, 2011; and U.S. Provisional Application Ser. No. 61 / 433,068, filed on Jan. 14, 2011; and U.S. Provisional Application Ser. No. 61 / 433,072, filed on Jan. 14, 2011; and U.S. Provisional Application Ser. No. 61 / 433,079, filed on Jan. 14, 2011; and U.S. Provisional Application Ser. No. 61 / 432,698, filed on Jan. 14, 2011, all of which are herein incorporated by reference.FIELD OF THE INVENTION[0002]The present invention relates to a blow-molded container with a retention mechanism for attaching a closure to an opening or neck of said container and a portion of said container comprising a physical geometry that creates more than one undercut.BACKGROUND OF THE INVENTION[0003]A variety of packages, including dispensing packages or containers, have been developed for hous...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B65D23/00B65D1/02B65D1/00
CPCB29C49/04B65D1/023B29K2001/00B29K2003/00B29K2023/06B29K2023/065B29K2023/12B29K2025/06B29K2027/06B29K2067/003B29K2067/046B29K2995/006B29L2031/7158B65D1/0223B29C49/06Y02W30/80Y02W90/10B29K2067/00B65D1/0246B65D2501/0081B29C2049/023B29C2949/0715
Inventor DESOTO-BURT, WIDALYS LUZDAY, TODD MITCHELLNEUFARTH, RALPH EDWINSATTERFIELD, RICHARD DARRENHUANG, CHOW-CHIHERRERA, MIGUEL ALBERTOMCCONVILLE, SU-YONPAGAN, ALFREDOANDRES, BRIAN DAVIDVIOLA-PRIOLI, CRISTIAN ALEXIS
Owner THE PROCTER & GAMBLE COMPANY
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