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| Number | Title | Issue Date |
| 6708467 | Envelope moistener with temperature adjusting apparatus A method and system for moistening and sealing an envelope in a high speed mail processing machine including steps and components for heating a liquid to moisten the glue on the envelope flaps to more quickly soften the glue and provide an improved seal. ... | 03/23/2004 |
| 5397427 | Pressure seal adhesive system with rollers Business forms are sealed by pressure with reduced tenting and pillowing. Each form has a strip of pressure sensitive adhesive of a predetermined width. In an automatic continuous, sequential manner, upper and lower rollers operatively biased together by ... | 03/14/1995 |
| 5194114 | Means for making a sealed envelope A mechanism for applying adhesive to a sheet comprising a plurality of glue applicators comprising valves or nozzles adapted to form a charge of adhesive at the tip of each. The sheet is moved toward the nozzles to permit adhesive spots to be deposited on... | 03/16/1993 |
| 4997504 | Method and apparatus for high speed pouch and bag making A method and apparatus for high speed pouch or bag making from thin, extensible heat-sensitive thermoplastic film webs in which the method is applied to a continuously moving web and sealing is achieved at temperatures below the softening temperatures of ... | 03/05/1991 |
| 4849040 | Method and apparatus for high speed pouch and bag making A method and apparatus for high speed pouch or bag making from thin, extensible heat-sensitive thermoplastic film webs or multiple webs of paper, film and foil in which the seal pattern may be simple or complex sealing and in which the method is applied t... | 07/18/1989 |
| 4726804 | Method and apparatus for fabricating continuous envelopes A method and apparatus for fabricating continuous envelopes for use in connection with electronic data processing printers or the like is disclosed. The method and apparatus includes the steps of severing an advancing web along longitudinally spaced-apart... | 02/23/1988 |
| 4416651 | Envelope gummer cylinder clutch and brake Apparatus for applying gum to spaced portions of an envelope is provided with means for sensing the absence of an envelope on a conveyor belt feeding the envelopes to the gummer apparatus. In response to sensing the absence of an envelope on the conveyor ... | 11/22/1983 |
| 4388071 | Gum applying apparatus Gum applying apparatus including a pair of gum applying dies mounted on a common shaft for applying gum along and adjacent to the side edges of an envelope blank during the manufacture of the blank into an envelope. Each of the dies includes a central cir... | 06/14/1983 |
| 4375970 | Converting machine gum box A rotary converting machine gum box is replenished with adhesive by means of a pumped circulation system with a delivery conduit at one end of the gum box and a withdrawal conduit at the other end. Between the two gum box ends is provided a rotatively dri... | 03/08/1983 |
| 4338085 | Apparatus for manufacturing envelopes Apparatus for feeding, scoring, gumming, and folding a blank into an envelope.... | 07/06/1982 |
| 4256023 | Bag making apparatus The present invention provides a bag making apparatus comprising a first and a second pair of abutments, wherein the abutments of each said pair of abutments are co-operable to grip therebetween a part of a sleeve of bag material to be formed into a bag a... | 03/17/1981 |
| 4232592 | Envelope forming machine and method A machine for forming envelopes from blanks comprising a scoring means for receiving said blanks and adding score lines thereto, means for receiving said blanks from said scoring roller and applying glue to selected first locations thereon, means receivin... | 11/11/1980 |
| 4175478 | Expansible gusset envelope and method and apparatus for fabricating same Expansible gusset envelope and method and apparatus for fabricating same from a single blank by inwardly, next outwardly, and then inwardly folding bottom gusset sections along triple transverse score lines to bring a first panel hinged thereto into overl... | 11/27/1979 |
| 4138933 | Apparatus for gumming and folding open end envelopes A transfer cylinder is rotatably mounted in a machine frame and is positioned in spaced parallel relation with a rotatable delivery cylinder. A side fold cylinder is positioned intermediate the transfer and delivery cylinders. The transfer cylinder convey... | 02/13/1979 |
| 4016808 | Method and apparatus for making expansible gusset envelopes Method and apparatus for fabricating expansible envelopes from a single blank by (1) inwardly folding side gusset sections between longitudinally extending triple score lines, (2) inwardly folding bottom gusset sections between transverse score lines hing... | 04/12/1977 |
| 4008650 | Method and apparatus for forming expansible envelope An improved method and apparatus for taking a precut one-piece unitary blank and forming it into an expansible container and the like.... | 02/22/1977 |
| 3990354 | Envelope making apparatus Envelope making apparatus including a frame and conveyor means on said frame for transporting envelope blanks along a path. Stations distributed along this conveyor means form an envelope blank into an envelope structure comprising a body and at least one... | 11/09/1976 |
