US 11,807,423 B2
Flexible container
Liangkai Ma, Midland, MI (US); Marc S. Black, Midland, MI (US); Chad V. Schuette, Saginaw, MI (US); Brian W. Walther, Clute, TX (US); and Fabrice Digonnet, Faellanden (CH)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/625,263
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Jul. 8, 2020, PCT No. PCT/US2020/041102
§ 371(c)(1), (2) Date Jan. 6, 2022,
PCT Pub. No. WO2021/011245, PCT Pub. Date Jan. 21, 2021.
Claims priority of provisional application 62/873,517, filed on Jul. 12, 2019.
Prior Publication US 2022/0250799 A1, Aug. 11, 2022
Int. Cl. B65D 33/16 (2006.01); B65D 33/06 (2006.01); B65D 75/00 (2006.01)
CPC B65D 33/16 (2013.01) [B65D 33/06 (2013.01); B65D 75/008 (2013.01); B65D 2207/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A flexible container comprising:
A. a front panel, a rear panel, a first gusseted side panel, and a second gusseted side panel, the gusseted side panels adjoining the front panel and the rear panel along peripheral seals to form a chamber;
B. each peripheral seal having
(i) a body seal inner edge (BSIE) with opposing ends,
(ii) a top tapered seal inner edge (t-TSIE) extending from a top end of each BSIE;
(iii) a neck seal inner edge (NSIE) extending from a top end of each t-TSIE to a topmost point of a neck;
(iv) a neck arc extending between each NSIE and t-TSIE;
(v) a plane (N) extending through each neck arc; and
each NSIE forms a neck angle with the plane (N), and the neck angle is from 45° to less than 90° .