← Back to Patent Explorer
US3253389A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for automatically sealing cases whose inner flaps are unsupported by the product

Assignee: General Corrugated Machinery Co Inc
•
Filing: 1963-06-04
•
Granted: 1966-05-31
•
Expires: 1983-06-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph A Miller
  • 👤 Frank A Kruglinski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:31
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 112 words
APPARATUS FOR GLUE SEALING FLAPPED CASES WHICH HAVE AT LEAST ONE TOP OUTER FLAP AND WHOSE TOP INNER FLAP IS UNSUPPORTED BY PRODUCT COMPRISING: A FRAME; A CONVEYOR WITHIN THE FRAME; AND THE FOLLOWING ELEMENTS AFFIXED TO THE FRAME: MEANS FOR SELECTIVELY APPLYING WET GLUE TO ONE OF THE FLAPS OF THE CASE; MEANS FOR SELECTIVELY APPLYING THERMOPLASTIC ADHESIVE TO ONE OF THE FLAPS OF THE CASE; MEANS FOR FOLDING DOWN THE FLAPS SUCH THAT THE WET GLUE AND THERMOPLASTIC ADHESIVE LIE BETWEEN THE FOLDED DOWN FLAPS; MEANS FOR DRAWING THE INNER FLAP AGAINST THE FOLDED DOWN, OUTER FLAP; AND MEANS FOR HOLDING DOWN THE OUTER FLAP UNITL THE THERMOPLASTIC ADHESIVE SETS.
Claim 2
Dependent Claim 112 words
APPARATUS FOR GLUE SEALING FLAPPED CASES WHICH HAVE AT LEAST ONE TOP OUTER FLAP AND WHOSE TOP INNER FLAP IS UNSUPPORTED BY PRODUCT COMPRISING: A FRAME; A CONVEYOR WITHIN THE FRAME; AND THE FOLLOWING ELEMENTS AFFIXED TO THE FRAME: MEANS FOR SELECTIVELY APPLYING WET GLUE TO ONE OF THE FLAPS OF THE CASE; MEANS FOR SELECTIVELY APPLYING THERMOPLASTIC ADHESIVE TO ONE OF THE FLAPS OF THE CASE; MEANS FOR FOLDING DOWN THE FLAPS SUCH THAT THE WET GLUE AND THERMOPLASTIC ADHESIVE LIE BETWEEN THE FOLDED DOWN FLAPS; MEANS FOR DRAWING THE INNER FLAP AGAINST THE FOLDED DOWN, OUTER FLAP; AND MEANS FOR HOLDING DOWN THE OUTER FLAP UNITL THE THERMOPLASTIC ADHESIVE SETS.

References Cited (Backward Citations)

US2419991A Cited
US2435878A Cited
US2524032A Cited
US3196588A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-30 1969-11-29 1970-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-30 1973-11-29 1974-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-30 1977-11-29 1978-05-31 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag