US 11,850,779 B2
Molded article with selectively varied core layer geometry and hot runner nozzles for producing same
Jean-Christophe Witz, Yutz (FR); Christophe Simon Pierre Beck, Terville (FR); Joachims Johannes Niewels, Thornton (CA); and Lee Richard Riddle, Palgrave (CA)
Assigned to HUSKY INJECTION MOLDING SYSTEMS LTD., Bolton (CA)
Appl. No. 16/623,145
Filed by HUSKY INJECTION MOLDING SYSTEMS LTD., Bolton (CA)
PCT Filed Jun. 21, 2018, PCT No. PCT/CA2018/050756
§ 371(c)(1), (2) Date Dec. 16, 2019,
PCT Pub. No. WO2018/232513, PCT Pub. Date Dec. 27, 2018.
Claims priority of provisional application 62/523,875, filed on Jun. 23, 2017.
Prior Publication US 2020/0171727 A1, Jun. 4, 2020
Int. Cl. B29C 45/27 (2006.01); B29B 11/14 (2006.01); B29C 45/16 (2006.01); B29B 11/08 (2006.01); B29K 67/00 (2006.01); B29L 31/00 (2006.01)
CPC B29C 45/27 (2013.01) [B29B 11/08 (2013.01); B29B 11/14 (2013.01); B29C 45/1684 (2013.01); B29C 2949/3014 (2022.05); B29C 2949/3018 (2022.05); B29C 2949/3028 (2022.05); B29C 2949/3036 (2022.05); B29K 2067/003 (2013.01); B29L 2031/7158 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A molded article suitable for subsequent blow-molding into a final-shaped container, the article comprising:
a neck portion;
a gate portion; and
a body portion extending between the neck portion and the gate portion, at least a majority of the body portion having an overall shape which is symmetric about a body axis extending longitudinally through a center of the body portion, at least the body portion including:
an inner exterior layer and an outer exterior layer of a first polymeric material; and
a core layer of a second polymeric material disposed between at least a portion of the inner exterior layer and the outer exterior layer, a radial thickness of the core layer being selectively varied circumferentially about the body axis.