EP 0156627 A3 19870401 - VACUUM BAG FLUID FLOW GUIDE
Title (en)
VACUUM BAG FLUID FLOW GUIDE
Publication
Application
Priority
- US 59260284 A 19840322
- US 63583684 A 19840730
Abstract (en)
[origin: EP0156627A2] An elongated strip of plastics in a flexible bag guides liquid in the bag to the bag outlet when a vacuum is applied to the outlet. The flow guide has structure which forms a plurality of interconnected spaces that in turn form flow paths in combination with the bag collapsing walls The guide can take many forms including a net-like configuration, a pattern of alternate recesses and projections on each face of a strip. woven material, open cell sponge like material @@@hed randomly oriented fibres, material having spaced air bubbles between strips of plastic, or other such structures that can form flow paths in combination with bag wall Also disclosed is a stretched flexible tube having a spiral slot formed therein to serve as a flow guifle Methods of making the bags and guides are further disclosed.
IPC 1-7
IPC 8 full level
B31B 19/90 (2006.01); B31B 23/00 (2006.01); B65B 61/18 (2006.01); B65D 77/06 (2006.01)
CPC (source: EP US)
B31B 70/00 (2017.07 - EP); B65B 61/186 (2013.01 - EP); B65D 77/06 (2013.01 - EP US); B31B 70/81 (2017.07 - EP); B31B 2155/00 (2017.07 - EP); B31B 2155/002 (2017.07 - EP); B31B 2160/10 (2017.07 - EP); B31B 2160/102 (2017.07 - EP US); B65D 2231/002 (2013.01 - EP)
Citation (search report)
- [A] GB 756093 A 19560829 - FLEXIPAC LTD, et al
- [A] US 4138036 A 19790206 - BOND CURTIS J
- [A] US 4286636 A 19810901 - CREDLE WILLIAM S
- [A] US 4381846 A 19830503 - HECK SAMUEL C
- [A] US 2891700 A 19590623 - MICHAEL MAYNARD
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0156627 A2 19851002; EP 0156627 A3 19870401; AU 4014485 A 19850926; AU 569942 B2 19880225
DOCDB simple family (application)
EP 85301956 A 19850321; AU 4014485 A 19850320