Envelope mailing piece

Claim 2

A multi-ply unit adapted to be attached to a carrying piece or sheet, said unit being formed from a single sheet of thin material folded upon itself to form the same and said multi-ply unit comprising at least one pair of panels flatly abutting each other, means permanently connecting the edges of the opposite ends of said panels together, a row of separating means extending longitudinally along at least one of said panels in parallel relation to said fold and spaced inwardly from one outer edge of said folded multi-ply unit a distance substantially less than the full width thereof, thereby to define an envelope comprising two flatly abutting panels connected along one longitudinal edge and at the ends and an attaching and feeding strip comprising narrow panels flatly abutting each other and detachably connected to said envelope along one edge thereof by said row of separating means, said envelope being open along one edge to receive items to be enclosed therein, and adhesive of a type adapted to be activated when the envelope is to be sealed closed applied to one of the panels forming said envelope adjacent said open edge thereof, said attaching and feeding strip being adapted to receive affixing means on one surface thereof incident to being fed to a carrying piece or sheet and by which affixing means said multi-ply unit may be attached to a carrying piece or sheet.

Claim 3

The multi-ply unit according to claim 1 in which said attaching and feeding strip is provided with feeding means extending longitudinally thereof adjacent one edge.

Claim 4

The multi-ply unit according to claim 2 in which said feeding means comprise a series of perforations spaced even distances apart along said attaching and feeding strip and extending commonly in axial alignment through both panels of said strip.

Claim 5

The multi-ply unit according to claim 1 further including sealing adhesive extending along and between said two panels comprising said attaching and feeding strip to reinforce the same.

Claim 6

The multi-ply unit according to claim 1 in which said panels which comprise an envelope being provided with panel extensions detachably connected to one end of said panels and comprising a blank adapted to be detached from said envelope, said attaching and feeding strip being coextensive in length with said overlying panels and panel extensions prior to the same being separated.

Claim 7

A plurality of multi-ply units connected separably in end-to-end relationship to provide a row of an infinite number thereof, each of said units being formed from a single sheet and including at least one pair of panels connected by a fold along a longitudinal line into flatly abutting relationship, means permanently connecting the edges of the opposite ends of said panels together adjacent the separable connections between the ends of adjacent multi-ply units a row of separating means extending along at least one of said panels in parallel relationship to the fold by which said panels of said multi-ply units are connected together, said row of separating means being spaced inwardly from one outer edge of said multi-ply units a distance substantially less than the full width thereof, thereby to define an envelope comprising two panels in flatly abutting relationship and an adjacent attaching and feeding strip of two narrow panels also in flatly abutting relationship and detachably connected to said envelope along one edge thereof by said row of separating means, said envelope being open along one edge to receive items to be enclosed therein, and adhesive of a type adapted to be activated when the envelope is to be sealed closed applied to one of the panels forming said envelope adjacent said open edge thereof, said attaching and feeding strips of said units being adapted to receive affixing means on one surface thereof by which said multi-ply units may each be attached to a carrying piece or sheet and said separably connected row of multi-ply envelopes being arranged in compact overlying relationship with respect to each other for compact storage.

Claim 8

A plurality of multi-ply units connected separably in end-to-end relationship to provide a row of an infinite number thereof, each of said units being formed from a single sheet and including at least one pair of panels connected by a fold along a longitudinal line into flatly abutting relationship, means permanently connecting the edges of the opposite ends of said panels together adjacent the separable connections between the ends of adjacent multi-ply units a row of separating means extending along at least one of said panels in parallel relationship to the fold by which said panels of said multi-ply units are connected together, said row of separating means being spaced inwardly from one outer edge of said multi-ply units a distance substantially less than the full width thereof, thereby to define an envelope comprising two panels in flatly abutting relationship and an adjacent attaching and feeding strip of two narrow panels also in flatly abutting relationship and detachably connected to said envelope along one edge thereof by said row of separating means, said envelope being open along one edge to receive items to be enclosed therein, and adhesive of a type adapted to be activated when the envelope is to be sealed closed applied to one of the panels forming said envelope adjacent said open edge thereof, said attaching and feeding strips of said units being adapted to receive affixing means on one surface thereof by which said multi-ply units may each be attached to a carrying piece or sheet and said separably connected row of multi-ply envelopes being arranged in compact overlying relationship with respect to each other for compact storage.

Claim 9

A multi-ply unit adapted to be attached to a carrying piece or sheet, said unit being formed from a single sheet of material folded upon itself to form said multi-ply unit comprising a pair of flatly abutting panels, means permanently connecting the edges of the opposite ends of said panels together to form an envelope open along one edge, and an attaching and feeding strip extending longitudinally along and secured to at least one of said panels along said open edge of said envelope by readily severable means, said attaching and feeding strip being formed from the same sheet of material as said envelope and comprising a narrow panel folded upon itself to form a multi-pLy strip so as to be equal in thickness to said multi-ply envelope and adapted to receive on one outer surface thereof affixing material by which said detachably connected envelope and multi-ply attaching and feeding strip may be secured to a carrying piece or sheet.

Claim 10

A multi-ply unit adapted to be attached to a carrying piece or sheet, said unit being formed from a single sheet of material folded upon itself to form said multi-ply unit comprising a pair of flatly abutting panels, means permanently connecting the edges of the opposite ends of said panels together to form an envelope open along one edge, and an attaching and feeding strip extending longitudinally along and secured to at least one of said panels along said open edge of said envelope by readily severable means, said attaching and feeding strip being formed from the same sheet of material as said envelope and comprising a narrow panel folded upon itself to form a multi-pLy strip so as to be equal in thickness to said multi-ply envelope and adapted to receive on one outer surface thereof affixing material by which said detachably connected envelope and multi-ply attaching and feeding strip may be secured to a carrying piece or sheet.

Claim 11

The multi-ply unit according to claim 7 in which one of said pairs of panels includes a foldable sealing flap disposed between said attaching and feeding strip and the envelope panel to which it is foldably connected.

Claim 12

Theh multi-ply unit according to claim 8 further including remoistenable adhesive applied to and extending along one surface of said sealing flap which is adapted to abut and adhere to the outer surface of the other envelope panel from that to which said sealing flap is foldably connected and in which one ply of said multi-ply attaching strip is wider than the other ply and adapted to overlie and protect said remoistenable adhesive until the open edge of said envelope is to be sealed such as for mailing.

Claim 13

The multi-ply unit according to claim 7 in which sealing adhesive is applied longitudinally between the overlying plies of said attaching strip to reinforce the same.

Claim 14

The multi-ply unit according to claim 7 in which the means permanently connecting the edges of the opposite ends of said panels together to form an envelope comprises a stripe of sealing adhesive extending from the edges of said panel connected by said fold of said sheet of material toward the open edge of said envelope but terminating a predetermined distance from the open edge of said envelope to form a pair of sealable strips of similar width flatly abutting each other, and remoistenable adhesive extending along the inner surface of one of said overlying sealable strips.

Claim 15

A multi-ply unit adapted to be attached to a carrying piece or sheet formed from a single sheet of thin material folded along a fold line upon itself to form a multi-ply unit comprising a pair of flatly abutting panels, means permanently connecting the edges of the opposite ends of said panels together, rows of separating means extending respectively along said panels in parallelism with said fold and spaced a limited distance therefrom to define respectively on opposite sides thereof a relatively narrow multi-ply feeding and attaching strip and an envelope of a pair of flatly abutting panels, said strip being defined by said fold line and rows of separating means, securing means parallel to and adjacent said rows of separating means permanently connecting said envelope panels along one edge and the opposite edges of said panels being separable to provide an open edge to receive items within the envelope, and sealing adhesive of a type to be activated when the envelope is to be sealed closed applied to said opposite edge of one of said envelope panels to seal said opposite edges closed, said attaching and feeding strip being adapted to receive affixing means on one surface thereof by which said detachably connected envelope and attaching and feeding strip may be secured to a carrying piece or sheet.

Claim 16

A multi-ply unit adapted to be attached to a carrying piece or sheet formed from a single sheet of thin material folded along a fold line upon itself to form a multi-ply unit comprising a pair of flatly abutting panels, means permanently connecting the edges of the opposite ends of said panels together, rows of separating means extending respectively along said panels in parallelism with said fold and spaced a limited distance therefrom to define respectively on opposite sides thereof a relatively narrow multi-ply feeding and attaching strip and an envelope of a pair of flatly abutting panels, said strip being defined by said fold line and rows of separating means, securing means parallel to and adjacent said rows of separating means permanently connecting said envelope panels along one edge and the opposite edges of said panels being separable to provide an open edge to receive items within the envelope, and sealing adhesive of a type to be activated when the envelope is to be sealed closed applied to said opposite edge of one of said envelope panels to seal said opposite edges closed, said attaching and feeding strip being adapted to receive affixing means on one surface thereof by which said detachably connected envelope and attaching and feeding strip may be secured to a carrying piece or sheet.

Claim 17

The multi-ply unit according to claim 12 in which the outer edge of one of said envelope panels defining said open edge extends a predetermined distance beyond the corresponding edge of the other envelope panel, said extending portion of said one envelope panel comprising a foldable sealing flap arranged to be folded over the exterior surface of the adjacent edge of said other envelope panel.

Claim 18

The multi-ply unit according to claim 12 in which said means permanently connecting the edges of the opposite ends of said panels together comprises sealing adhesive extending transversely from said securing means adjacent said row of separating means toward the open edge of said envelope but terminating a predetermined distance from said open edge of the envelope to define sealing panels of similar width flatly abutting each other and extending along said open edge of the envelope, and remoistenable adhesive extending along the inner Surface of one of said sealing panels and adapted to be moistened to adhere to the other sealing panel and seal said envelope closed when such sealing is desired.

Claim 19

The multi-ply unit according to claim 12 further including an additional panel connected along one edge to the outer edge of one of said overlying envelope panels and comprising a sheet adapted to be inscribed for use in connection with said envelope.

Claim 20

The multi-ply unit according to claim 15 in which said additional panel is detachably connected to said outer edge of said one envelope panel and adapted to be separated therefrom and be enclosed within said envelope after being inscribed.

Claim 21

A multi-ply unit adapted to be attached to a carrying piece or sheet, said unit being formed from a sheet of thin material folded upon itself to form said multi-ply unit which comprises a pair of flatly abutting panels, means permanently connecting the edges of the opposite ends of said panels together, rows of separating means extending along said abutting panels in parallelism with said fold and spaced a limited distance therefrom to define respectively on opposite sides thereof a relatively narrow multi-ply attaching and feeding strip and an envelope of flatly abutting panels, said strip being defined by said fold and row of separating means, securing means parallel to and adjacent said row of separating means permanently connecting said envelope panels along one edge and the opposite edges of said panels being separable to provide an open edge to receive items within the envelope, and an additional panel substantially of similar size to one of said envelope panels foldably connected to the outer edge of one of said envelope panels adjacent said open edge of said envelope and adapted to be folded across said open edge of said envelope to close the same and overlie the other envelope panel from that to which it is foldably connected, and remoistenable adhesive applied to one surface of said additional panel adjacent the outer edge thereof and adapted to be activated and contact said opposite envelope panel from that to which said additional panel is foldably connected in order to seal the envelope in closed condition, said additional panel being adapted to be inscribed in connection with the use of said envelope.

Claim 22

A multi-ply unit adapted to be attached to a carrying piece or sheet, said unit being formed from a sheet of thin material folded upon itself to form said multi-ply unit which comprises a pair of flatly abutting panels, means permanently connecting the edges of the opposite ends of said panels together, rows of separating means extending along said abutting panels in parallelism with said fold and spaced a limited distance therefrom to define respectively on opposite sides thereof a relatively narrow multi-ply attaching and feeding strip and an envelope of flatly abutting panels, said strip being defined by said fold and row of separating means, securing means parallel to and adjacent said row of separating means permanently connecting said envelope panels along one edge and the opposite edges of said panels being separable to provide an open edge to receive items within the envelope, and an additional panel substantially of similar size to one of said envelope panels foldably connected to the outer edge of one of said envelope panels adjacent said open edge of said envelope and adapted to be folded across said open edge of said envelope to close the same and overlie the other envelope panel from that to which it is foldably connected, and remoistenable adhesive applied to one surface of said additional panel adjacent the outer edge thereof and adapted to be activated and contact said opposite envelope panel from that to which said additional panel is foldably connected in order to seal the envelope in closed condition, said additional panel being adapted to be inscribed in connection with the use of said envelope.

Claim 23

An assembly of series-connected separable envelopes comprising an elongated web of sheet material folded onto itself and having at least two plies including a lower ply and at least one upper ply connected to one side edge of said lower ply along a longitudinally extending fold line and overlying an associated portion of said lower ply, said lower ply having a longitudinally disposed marginal portion transversely extending beyond the free side edge of said one upper ply, means connecting said one upper ply and said lower ply in face-to-face relation along longitudinally spaced transversely extending lines of attachment to form a succession of envelopes each having a pocket including a mouth open at one side thereof and partially defined by said free side edge, a longitudinally spaced series of lines of weakening extending transversely of said plies, each of said envelopes being connected to an adjacent one of said envelopes along one of said transversely extending lines of weakening, at least one generally longitudinally extending line of weakening disposed on said marginal portion transversely spaced from said free side edge and separating a connecting strip from the remainder of said marginal portion, one longitudinally extending line of adhesive disposed on said marginal portion between said line of weakening and said free side edge, another longitudinally extending line of adhesive disposed on said connecting strip, and another upper ply connected to the other side edge of said lower ply along another longitudinally extending fold line, said one line of weakening and said other side edge defining the transverse extent of said connecting strip, at least a portion of said other ply overlying said coNnecting strip and attached in face-to-face relation thereto by said other line of adhesive, said other ply portion forming a part of said connecting strip.

Claim 24

An assembly of series-connected separable envelopes comprising an elongated web of sheet material folded onto itself and having at least two plies including a lower ply and at least one upper ply connected to one side edge of said lower ply along a longitudinally extending fold line and overlying an associated portion of said lower ply, said lower ply having a longitudinally disposed marginal portion transversely extending beyond the free side edge of said one upper ply, means connecting said one upper ply and said lower ply in face-to-face relation along longitudinally spaced transversely extending lines of attachment to form a succession of envelopes each having a pocket including a mouth open at one side thereof and partially defined by said free side edge, a longitudinally spaced series of lines of weakening extending transversely of said plies, each of said envelopes being connected to an adjacent one of said envelopes along one of said transversely extending lines of weakening, at least one generally longitudinally extending line of weakening disposed on said marginal portion transversely spaced from said free side edge and separating a connecting strip from the remainder of said marginal portion, one longitudinally extending line of adhesive disposed on said marginal portion between said line of weakening and said free side edge, another longitudinally extending line of adhesive disposed on said connecting strip, and another upper ply connected to the other side edge of said lower ply along another longitudinally extending fold line, said one line of weakening and said other side edge defining the transverse extent of said connecting strip, at least a portion of said other ply overlying said coNnecting strip and attached in face-to-face relation thereto by said other line of adhesive, said other ply portion forming a part of said connecting strip.

Claim 25

An assembly of series-connected separable envelopes as set forth in claim 18 wherein said connecting strip includes a succession of longitudinally spaced configurations for operative engagement with a strip-feed device.

Claim 26

An assembly of series-connected envelopes as set forth in claim 18 wherein said other line of adhesive is transversely spaced from said one line of adhesive.

Claim 27

An assembly of series-connected envelopes as set forth in claim 18 wherein said lines of attachment comprise lines of adhesive extending generally between said fold line and said free side edge.