US 11,673,310 B2
Injection-molding device, projectile injection process and related devices
Jens-Uwe Gleu, Langenhagen (DE); and Alexander Hofmann, Hannover (DE)
Assigned to Continental Teves AG & Co. OHG, Frankfurt am Main (DE)
Filed by Continental Teves AG & Co. OHG, Frankfurt (DE)
Filed on Dec. 12, 2019, as Appl. No. 16/712,420.
Claims priority of application No. 10 2018 222 214.2 (DE), filed on Dec. 18, 2018; and application No. 10 2019 209 489.9 (DE), filed on Jun. 28, 2019.
Prior Publication US 2020/0189168 A1, Jun. 18, 2020
Int. Cl. B29C 49/06 (2006.01); B29C 49/10 (2006.01); B29C 49/46 (2006.01)
CPC B29C 49/06 (2013.01) [B29C 49/10 (2013.01); B29C 49/46 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An injection-molding device for producing a hollow-formed plastic object, comprising:
a mold for the primary shaping of the plastic object;
a mold core arranged within the mold;
a continuously hollow projectile arranged around an exterior of the mold core;
an injection device for introducing a flowable polymer melt into the mold;
a fluid injection device for introducing a pressurized fluid into the mold for driving the projectile along the mold core through the flowable polymer melt.