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US3358905A Expired / Lapsed US ⏱️ 0.0 years remaining

Flexible bag type shipping container and method of clsing and sealing same

Assignee: Inland Steel Co
•
Filing: 1966-09-27
•
Granted: 1967-12-19
•
Expires: 1986-09-27
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Abstract

No abstract record available.

Inventors

  • 👤 Soeshbergen Adrianus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 13:10
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/04; B65D77/06; B65D77/10; B65D77/16

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 125 words
A METHOD OF CLOSING AND SEALING A FLEXIBLE BAG FORMED OF FUSIBLE MATERIAL COMPRISING THE STEPS OF GATHERING THE MATERIAL OF THE BAG ADJACENT ITS FREE END SO AS TO FORM A SKEIN, PLACING A RING FORMED OF A FUSIBLE MATERIAL THAT IS SOLID AND RIGID AT NORMAL ROOM TEMPERATURE ABOUT THE SKEIN WITH A PORTION OF THE SKEIN PROJECTING THROUGH AND ABOVE THE RING, APPLYING HEAT AND PRESSURE TO THE FREE PROJECTING PORTION OF THE SKEIN WITH SUCH PRESSURE BEING APPLIED TO A GENERALLY AXIAL DIRECTION RELATIVE TO THE RING SO AS TO FUSE AND COMPACT THE RING TOGETHER WITH THE FREE PROJECTING SKEIN PORTION; AND ALLOWING THE FUSED AND COMPACTED RING AND SKEIN PORTION TO COOL AND SOLIDIFY THEREBY FORMING A SOLID SEAL.
Claim 2
Independent Claim 125 words
A METHOD OF CLOSING AND SEALING A FLEXIBLE BAG FORMED OF FUSIBLE MATERIAL COMPRISING THE STEPS OF GATHERING THE MATERIAL OF THE BAG ADJACENT ITS FREE END SO AS TO FORM A SKEIN, PLACING A RING FORMED OF A FUSIBLE MATERIAL THAT IS SOLID AND RIGID AT NORMAL ROOM TEMPERATURE ABOUT THE SKEIN WITH A PORTION OF THE SKEIN PROJECTING THROUGH AND ABOVE THE RING, APPLYING HEAT AND PRESSURE TO THE FREE PROJECTING PORTION OF THE SKEIN WITH SUCH PRESSURE BEING APPLIED TO A GENERALLY AXIAL DIRECTION RELATIVE TO THE RING SO AS TO FUSE AND COMPACT THE RING TOGETHER WITH THE FREE PROJECTING SKEIN PORTION; AND ALLOWING THE FUSED AND COMPACTED RING AND SKEIN PORTION TO COOL AND SOLIDIFY THEREBY FORMING A SOLID SEAL.

References Cited (Backward Citations)

US2748673A Cited
US2682903A Cited
US3011690A Cited
US3111794A Cited
US3197938A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-12-18 1971-06-19 1971-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-12-18 1975-06-19 1975-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-12-18 1979-06-19 1979-12-19 $7700.00 Window Closed / Lapsed

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