← Back to Patent Explorer
US3642189A Expired / Lapsed US ⏱️ 0.0 years remaining

Bags provided with closing and carrying device

Assignee: Kemanord AB
•
Filing: 1970-08-28
•
Granted: 1972-02-15
•
Expires: 1990-08-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A bag of polyethylene or like material is provided with a valve and a pocket at its top, the valve and pocket being disposed in side-by-side relation and the valve projects beyond the pocket. The pocket receives a rigidifying insert provided with an opening so that the bag may be held, and the insert includes tabs for maintaining the valve closed when the projecting free end portion of the valve is folded over to overlie the pocket region.

Inventors

  • 👤 Ralph Hugo Widenback

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 11:35
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/06; B65D33/08; B65D33/02; B65D33/16; B65D75/00; B65D75/52; B65D75/58; B65D75/5861; B65D75/5866; Y; Y10; Y10S; Y10S383/00; Y10S383/906

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 264 words
A bag comprising a tubular body having a closed bottom and a top portion, said body presenting opposite sidewalls defining longitudinal side edges extending between the bottom and top extremities of the bag; said top portion including a valve and a pocket region, said valve and said pocket region lying in side-by-side relation with said valve lying along one side edge and the pocket region extending from said valve to the opposite side edge, said valve having a free end portion projecting longitudinally beyond said pocket region at the top of the bag, whereby said valve may be folded upon itself to position said free end portion in overlying relation to said pocket region, said side walls being superposed in said pocket region and along a free edge of said free end portion of said valve immediately adjacent said pocket region, said side walls being joined together along a continuous line having a first portion extending longitudinally along said free edge and into the body and a second portion extending transversely to said opposite side edge, whereby to close the top of said body except for said valve, said sidewalls also being joined along a line parallel to and spaced above said second portion of said continuous line to form a pocket between said sidewalls which is open toward said opposite side edge of the body; a rigidifying insert received in said pocket, said insert and said sidewalls in said pocket region having registering hand openings; and means for retaining said free end portion of said valve in overlying relation to said pocket region.
Claim 2
Dependent Claim 264 words
A bag comprising a tubular body having a closed bottom and a top portion, said body presenting opposite sidewalls defining longitudinal side edges extending between the bottom and top extremities of the bag; said top portion including a valve and a pocket region, said valve and said pocket region lying in side-by-side relation with said valve lying along one side edge and the pocket region extending from said valve to the opposite side edge, said valve having a free end portion projecting longitudinally beyond said pocket region at the top of the bag, whereby said valve may be folded upon itself to position said free end portion in overlying relation to said pocket region, said side walls being superposed in said pocket region and along a free edge of said free end portion of said valve immediately adjacent said pocket region, said side walls being joined together along a continuous line having a first portion extending longitudinally along said free edge and into the body and a second portion extending transversely to said opposite side edge, whereby to close the top of said body except for said valve, said sidewalls also being joined along a line parallel to and spaced above said second portion of said continuous line to form a pocket between said sidewalls which is open toward said opposite side edge of the body; a rigidifying insert received in said pocket, said insert and said sidewalls in said pocket region having registering hand openings; and means for retaining said free end portion of said valve in overlying relation to said pocket region.
Claim 3
Dependent Claim 25 words
The bag according to claim 1 wherein said bag is made of synthetic resinous material and said sidewalls are joined along said lines by thermowelding.
Claim 4
Dependent Claim 15 words
The bag according to claim 1 wherein said means comprises a tab on said insert.
Claim 5
Dependent Claim 47 words
The bag according to claim 3 wherein said body is infolded along its longitudinal side edges whereby said valve when closed is formed by four superposed layers of said material, said free end portion of said valve having an opening through all four layers receiving said tab.
Claim 6
Dependent Claim 53 words
The bag according to claim 1 wherein said means comprises a pair of tabs on said insert, said tabs being longitudinally spaced and said pocket region having an opening exposing said tabs, said free end portion of said valve having a pair of transversely spaced openings for receiving respective ones of said tabs.

References Cited (Backward Citations)

US2951628A Cited
US3057531A Cited
US3232514A Cited
US3279678A Cited
US3339820A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-02-14 1975-08-16 1976-02-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-02-14 1979-08-16 1980-02-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-02-14 1983-08-16 1984-02-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag