Claims
- 1. An envelope blank assembly for use in the production of envelopes printed by a non-impact type printer comprising:
- a first sheet incorporating a front panel portion including a foldable sealing flap portion of an envelope superimposed on
- a second sheet incorporating a rear panel portion of said envelope, said first and second sheets being secured to each other along one edge only of said assembly;
- at least one of said first and second sheets having a heat activatable adhesive extending along three peripheral edges of the respective envelope panel;
- said foldable sealing flap portion of said front panel having a rewettable or pressure sensitive adhesive applied thereto, and a corresponding portion of said second sheet, lying directly beneath said foldable sealing flap portion, having an antistick composition applied thereto.
- 2. A blank construction according to claim 1 wherein, said one edge lies outside said envelope panels.
- 3. A blank construction according to claim 2 wherein at least one of said first and second sheets incorporates an insert for use with the envelope.
- 4. A blank construction according to claim 1 wherein said first and second sheets are fixed by a single line of adhesive lying outside adjacent superimposed lines of perforations which define one of said peripheral edges of said envelope panels.
- 5. A partially formed envelope for use with a non-impact printer, wherein heating means associated with said non-impact printer is utilized to complete the formation of said envelope, comprising:
- a first sheet incorporating a front panel of the envelope;
- a second sheet incorporating a rear panel of the envelope; wherein one of said first and second sheets is provided with a line of heat activatable adhesive along at least three sides thereof; and wherein, prior to printing, said first and second sheets are held together solely by a line of adhesive located outside the front and rear panels.
- 6. A partially formed envelope as defined in claim 5 wherein said first and second sheets are incorporated in a respective pair of continuous webs, each sheet being defined in part by lines of perforations extending transversely of the respective webs.
- 7. A partially formed envelope as defined in claim 5 wherein one of said first and second sheets incorporates an envelope insert to be printed by said non-impact printer.
- 8. A partially formed envelope as defined in claim 5 wherein said front panel includes a foldable sealing flap portion along a fourth edge, said sealing flap portion having a rewettable or pressure sensitive adhesive applied thereto, and wherein a portion of said rear panel lying directly underneath said rear panel lying directly underneath said sealing flap portion is provided with an antistick composition.
Parent Case Info
This is a continuation of application Ser. No. 196,299, filed May 20, 1988, now abandoned.
US Referenced Citations (13)
Foreign Referenced Citations (1)
Number |
Date |
Country |
0143622 |
Jun 1985 |
EPX |
Continuations (1)
|
Number |
Date |
Country |
Parent |
196299 |
May 1988 |
|