Removable Closure Retained By Friction (220/352) Patents (Class 220/FOR105)

Foreign Patent Art Collections

With closure guiding means (220/353) (Class 220/FOR106)
Closure received by upwardly opening trough at passage mouth (220/354) (Class 220/FOR107)
Passage mouth received by downwardly opening channel in closure (220/355) (Class 220/FOR108)
Closure flange embraces passage mouth (220/356) (Class 220/FOR109)
With gasket or packing (220/358) (Class 220/FOR111)

There are no patents to show for this class.