Valve and containers incorporating the same

Details Valve and containers incorporating the same Valve and containers incorporating the same

1987-08-05

1989-01-17

Marcus, Stephen

Envelopes, wrappers, and paperboard boxes

Paperboard box

With closure for an access opening

220209, 222498, 22254l, 2291031, 229DIG14, 264248, 264322, B65D 542

Patent

active

047983248

ABSTRACT:
A valve for use primarily for dispensing liquids from non-reusable containers comprising a conduit formed by bonding a flexible sheet of thermoplastic material to a second sheet of resilient thermoplastics material. The second sheet is of a springy nature and is provided with a shoulder portion directed to the first sheet. The shoulder portion positioned adjacent to a deformable member formed into the second sheet. The conduit is closed by the first sheet being stretched tightly over the shoulder. However by deforming the deformable member towards the first sheet the latter is raised from the shoulder thereby opening the conduit.

REFERENCES:
patent: 3184121 (1965-05-01), Volckening
patent: 3243487 (1966-03-01), Smith
patent: 3482267 (1969-12-01), Liljendahl
patent: 3631580 (1972-01-01), Swartz
patent: 3635376 (1972-01-01), Hellstrom
patent: 3815794 (1974-06-01), Carlisle
patent: 3935358 (1976-01-01), Wyeth et al.
patent: 4008029 (1977-02-01), Shokite
patent: 4039643 (1977-08-01), Dean et al.
patent: 4206870 (1980-06-01), DeVries
patent: 4301926 (1981-11-01), Chung
patent: 4592493 (1986-06-01), Smith

Affiliated with

Also associated with

Rating

Valve and containers incorporating the same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Valve and containers incorporating the same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Valve and containers incorporating the same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2410982