EP 0146819 B1 19890412 - VALVE BAG MADE OF PLASTIC MATERIAL
Title (en)
VALVE BAG MADE OF PLASTIC MATERIAL
Publication
Application
Priority
DE 8337443 U 19831228
Abstract (en)
[origin: ES283621U] There is disclosed a bag assembly comprised of a tubularly-shaped bag preform formed of a plastic material defining a top closure portion and a bottom closure portion and provided with an adhesive layer peripherally-disposed about the tubularly-shaped bag preform proximate the top and bottom closure portions. The top closure portion and the bottom closure portion are subsequently formed with corner folds and side folds with the side folds being dimensioned whereby end portions of said side folds are spaced apart from one another upon subsequent folding agent about a fold line. A conduit member including a sleeve portion is mounted on one of the corner folds of the top closure portion by an adhesive layer portion disposed on the corner fold, and sheet members are thereupon mounted over the side and corner folds by adhesive layer portions thereon. After folding of the side fold members about the fold lines, top and bottom closure sheet members are mounted on the top and bottom closure portions.
IPC 1-7
IPC 8 full level
B65D 30/24 (2006.01)
CPC (source: EP US)
B65D 31/145 (2013.01 - EP US)
Citation (examination)
Designated contracting state (EPC)
BE DE FR IT LU NL SE
DOCDB simple family (publication)
EP 0146819 A2 19850703; EP 0146819 A3 19861105; EP 0146819 B1 19890412; DE 3477656 D1 19890518; DE 8337443 U1 19840202; ES 283621 U 19850516; PT 79754 A 19850101; US 4637062 A 19870113
DOCDB simple family (application)
EP 84114516 A 19841130; DE 3477656 T 19841130; DE 8337443 U 19831228; ES 283621 U 19841224; PT 7975484 A 19841227; US 68446684 A 19841221