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US3307995A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine and process for making wrapped corrugated boards

Assignee: Weyerhaeuser Co
•
Filing: 1963-02-05
•
Granted: 1967-03-07
•
Expires: 1983-02-05
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Abstract

No abstract record available.

Inventors

  • 👤 Sr Harry F Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 18:23
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2822; B31F1/2827; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1034; Y10T156/1052; Y10T156/1062; Y10T156/1075; Y10T156/1084; Y10T156/1087; Y10T156/12; Y10T156/1317; Y10T156/1322; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1739

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 245 words
IN A MACHINE FOR PRODUCING A PLURALITY OF STRIPS OF DOUBLE-FACED CORRUGTED BOARD IN WHICH AT LEAST ONE LONGITUDINAL EDGE OF EACH STRIP IS WRAPPED, THE COMBINATION COMPRISING, MEANS FOR SEVERING A SINGLE-FACED CORRUGATED SHEET HAVING A FIRST FACE AFFIXED TO A CORRUGATED SHEET INTO A PLURALITY OF SINGLE-FACED STRIPS, MEANS FOR SPREADING THE STRIPS LATERALLY APART SUBSTANTIALLY PREDETERMINATELY FROM EACH OTHER, MEANS FOR APPLYING ADHESIVE TO THE EXPOSED RIDGES OF THE CORRUGATED MATERIAL OF THE STRIPS, MEANS FOR AFFIXING A SECOND FACING SHEET OF GREATER WIDTH THAN THAT OF THE LATERALLY SPACED SINGLE-FACED STRIPS TO SAID STRIPS ALONG THE EXPOSED SIDE OF THE CORRUGATED MATERIAL OF THE STRIPS TO WHICH THE ADHESIVE HAS BEEN APPLIED SO AS TO PRODUCE DOUBLE-FACED STRIPS JOINED TOGETHER BY SAID SECOND FACING SHEET, MEANS FOR SEVERING SAID SECOND FACING SHEET SO AS TO PRODUCE A PLURALITY OF SEPARATE DOUBLE-FACED STRIPS EACH HAVING A PORTION OF SAID SECOND FACING SHEET EXTENDING BEYOND AND ENTIRELY ALONG ONE LONGITUDINAL EDGE OF THE STRIP, MEANS FOR APPLYING ADHESIVE TO EACH OF THE DOUBLEFACED STRIPS LONGITUDINALLY ALONG SAID FIRST FACE OF THE STRIP NEAR SAID ONE LONGITUDINAL EDGE OF THE STRIP, AND MEANS FOR WRAPPING THE EXTENDING PORTION OF EACH SEPARATE DOUBLE-FACED STRIP AROUND THE LONGITUDINAL EDGE OF THE STRIP ADJACENT THERETO AND OVER THE PORTION OF SAID FIRST FACE HAVING ADHESIVE THEREON AND FOR SECURING SAID EXTENDING PORTION TO SAID FACE PORTION SO AS TO PRODUCE A WRAPPED ONGITUDINAL EDGE ON THE STRIP.
Claim 2
Dependent Claim 245 words
IN A MACHINE FOR PRODUCING A PLURALITY OF STRIPS OF DOUBLE-FACED CORRUGTED BOARD IN WHICH AT LEAST ONE LONGITUDINAL EDGE OF EACH STRIP IS WRAPPED, THE COMBINATION COMPRISING, MEANS FOR SEVERING A SINGLE-FACED CORRUGATED SHEET HAVING A FIRST FACE AFFIXED TO A CORRUGATED SHEET INTO A PLURALITY OF SINGLE-FACED STRIPS, MEANS FOR SPREADING THE STRIPS LATERALLY APART SUBSTANTIALLY PREDETERMINATELY FROM EACH OTHER, MEANS FOR APPLYING ADHESIVE TO THE EXPOSED RIDGES OF THE CORRUGATED MATERIAL OF THE STRIPS, MEANS FOR AFFIXING A SECOND FACING SHEET OF GREATER WIDTH THAN THAT OF THE LATERALLY SPACED SINGLE-FACED STRIPS TO SAID STRIPS ALONG THE EXPOSED SIDE OF THE CORRUGATED MATERIAL OF THE STRIPS TO WHICH THE ADHESIVE HAS BEEN APPLIED SO AS TO PRODUCE DOUBLE-FACED STRIPS JOINED TOGETHER BY SAID SECOND FACING SHEET, MEANS FOR SEVERING SAID SECOND FACING SHEET SO AS TO PRODUCE A PLURALITY OF SEPARATE DOUBLE-FACED STRIPS EACH HAVING A PORTION OF SAID SECOND FACING SHEET EXTENDING BEYOND AND ENTIRELY ALONG ONE LONGITUDINAL EDGE OF THE STRIP, MEANS FOR APPLYING ADHESIVE TO EACH OF THE DOUBLEFACED STRIPS LONGITUDINALLY ALONG SAID FIRST FACE OF THE STRIP NEAR SAID ONE LONGITUDINAL EDGE OF THE STRIP, AND MEANS FOR WRAPPING THE EXTENDING PORTION OF EACH SEPARATE DOUBLE-FACED STRIP AROUND THE LONGITUDINAL EDGE OF THE STRIP ADJACENT THERETO AND OVER THE PORTION OF SAID FIRST FACE HAVING ADHESIVE THEREON AND FOR SECURING SAID EXTENDING PORTION TO SAID FACE PORTION SO AS TO PRODUCE A WRAPPED ONGITUDINAL EDGE ON THE STRIP.

References Cited (Backward Citations)

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US1452379A Cited
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US1609320A Cited
US1817929A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-06 1970-09-05 1971-03-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-06 1974-09-05 1975-03-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-06 1978-09-05 1979-03-07 $7700.00 Window Closed / Lapsed

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