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US3894905A Expired / Lapsed US ⏱️ 0.0 years remaining

Machine for making addressed and filled envelopes in a single operation

Assignee: Winkler and Duennebier Maschinefabrik und Eisengiesserei GmbH
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Filing: 1971-04-07
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Granted: 1975-07-15
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Expires: 1991-04-07
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Abstract

Abstract A machine for producing envelopes from individual blanks or from a paper web in a single uninterrupted passage may have the following stations which may be arranged in different sequences: 1. Pulling in individual blanks or a web. 2. When necessary, cutting the web into blanks. 3. When necessary, printing the web or the blanks. 4. When necessary, cutting a window opening. 5. When necessary, adhesively fixing a window opening. 6. Stacking. 7. Gumming the closing flaps. 8. Drying the gumming of the closing flaps. 9. Individualizing from the stock. 10. Aligning the individualized blanks. 11. Creasing the folding lines. 12. Folding the side flaps. 13. Gumming the side flaps. 14. Folding the bottom flap unto the gummed side flaps. Folding the closing flap, and 16. Delivering the finished envelopes. The machine of the present invention is particularly characterized by the provision of a further station for applying one or more inserts which is located in the machine upstream of the station for folding the side flaps.

Inventors

  • 👤 Gunther Ehlscheid

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 17:36
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/005; B41; B41F; B41F17/00; B43; B43M; B43M3/00; B43M3/04; B31B2150/00; B31B2160/00; B31B2160/10; B31B2170/00; B31B2170/20; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 122 words
IN A MACHINE FOR PRODUCING ENVELOPES FROM INDIVIDUAL BLANKS IN COMBINATION, MEANS SUPPORTING A STACK OF BLANKS, MEANS FOLDING SAID BLANKS, MEANS REMOVING SAID BLANKS INDIVIDUALLY FROM SAID STACK AND FEEDING THEM TO SAID FOLDING MEANS, AND A DEVICE LOCATED BETWEEN SAID STACK AND SAID FOLDINV MEANS FOR APPLYING INSERTS TO SAID BLANKS, SAID DEVICE COMPRISING AT LEAST ONE SUPPORT FOR A STACK OF INSERTS, ROLLERS, AT LEAST ONE PIVOTING SUCTION UNIT REMOVING AN INSERT INDIVIDUALLY FROM THE LAST-MENTIONED STACK AND TRANSMITTING IT TO SAID ROLLERS, A GUMMING UNIT, AND FEED BELTS REMOVING AN INSERT INDIVIDUALLY FROM SAID ROLLERS APPLYING IT TO SAID GUMMING UNIT AND THEN APPLYING IT TO A SEPARATE BLANK MOVING UPON THE THIRD-MENTIONED MEANS TOWARD SAID FOLDING MEANS.
Claim 2
Dependent Claim 122 words
IN A MACHINE FOR PRODUCING ENVELOPES FROM INDIVIDUAL BLANKS IN COMBINATION, MEANS SUPPORTING A STACK OF BLANKS, MEANS FOLDING SAID BLANKS, MEANS REMOVING SAID BLANKS INDIVIDUALLY FROM SAID STACK AND FEEDING THEM TO SAID FOLDING MEANS, AND A DEVICE LOCATED BETWEEN SAID STACK AND SAID FOLDINV MEANS FOR APPLYING INSERTS TO SAID BLANKS, SAID DEVICE COMPRISING AT LEAST ONE SUPPORT FOR A STACK OF INSERTS, ROLLERS, AT LEAST ONE PIVOTING SUCTION UNIT REMOVING AN INSERT INDIVIDUALLY FROM THE LAST-MENTIONED STACK AND TRANSMITTING IT TO SAID ROLLERS, A GUMMING UNIT, AND FEED BELTS REMOVING AN INSERT INDIVIDUALLY FROM SAID ROLLERS APPLYING IT TO SAID GUMMING UNIT AND THEN APPLYING IT TO A SEPARATE BLANK MOVING UPON THE THIRD-MENTIONED MEANS TOWARD SAID FOLDING MEANS.
Claim 3
Dependent Claim 60 words
A machine in accordance with claim 1, comprising a device for printing addresses upon blanks folded as envelopes, said device comprising a rotary cylinder moving said envelopes, a typewriting mechanism, means moving said envelopes from said rotary cylinder to said typewriting mechanism, means stacking the typewritten envelopes and means moving said envelopes from said typewriting mechanism to said stacking means.

References Cited (Backward Citations)

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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) 1978-07-14 1979-01-13 1979-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-07-14 1983-01-13 1983-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-07-14 1987-01-13 1987-07-15 $7700.00 Window Closed / Lapsed

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