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| Number | Title | Issue Date |
| 4100640 | Binding machine Disclosed is a binding machine for binding papers such as chits, documents and the like by means of a binding cord which is formed simultaneously with the binding operation from a plastic tube, so that the troublesome work of preparing the binding cord an... | 07/18/1978 |
| 4091487 | Method for binding books There is disclosed a method for binding books utilizing a plurality of signatures which are glued together along a spine. First and second additional signatures or covers are thereafter glued to such spine. The outermost of said special signatures is glue... | 05/30/1978 |
| 4077078 | Book cover applicator The book cover applicator is suitable for use in applying covers to multiple sheet fillers which have been secured together along the spine by a hotmelt adhesive. The applicator includes clamps for securing the filler and cover at a cover application stat... | 03/07/1978 |
| 4075726 | Method and apparatus for binding a book In a book binding apparatus, a book to be bound is clamped between a pair of plates, the distance between the clamps controlling the distance between a pair of groove bars engaging a cover to be bound to the book. A backup roll is positioned to engage the... | 02/28/1978 |
| 4072326 | Wrap-around cover for books A cover is provided around the spine of a book of the type bound together by two plastic binding strips positioned along the spine marginal edges of the core of the book, one strip having studs passing through holes in the sheets of the core and through h... | 02/07/1978 |
| 4061523 | Paper welding apparatus for bookbinding machinery This invention bonds the paper pages of books without applying adhesive to the paper. Clamping jaws press the paper sheets of a book together along the edges that are to be bound. The paper is a weldable paper and the sheets bond to one another where they... | 12/06/1977 |
| 4054701 | Plastic sheet with a surface treated to enhance adhesion and method of making such sheets A sheet of thermoplastic material has a planar surface treated to enhance adhesion of paper thereto by means of an adhesive of the class consisting of animal glue and water base adhesives as used in book binding. The sheet is passed beneath a heated diamo... | 10/18/1977 |
| 4039046 | Stubless multi-ply assembly A unit set or assembly of multiple plies includes superimposed top, intermediate and bottom plies as well as a cover ply disposed over the top ply. A flap is removably connected to this cover ply along the line of weakening and underlies the bottom ply. F... | 08/02/1977 |
| 4023829 | Hot melt adhesive dot binding A method and apparatus for permanently binding sheets of paper into a cover inexpensively and quickly is disclosed. Hot melt adhesive dots are placed near a center fold on one inside surface of a cover in alignment with pre-punched holes in paper sheets t... | 05/17/1977 |
| 4019758 | Book binding process An improved process of attaching a book body to a case at the hinge to form a hard bound book. A liquid thermoplastic bonding agent is applied to the body or case at the hinge area. The bonding agent is allowed to dry and form a solidified layer. The body... | 04/26/1977 |
| 4009498 | Bookbinding system A method and apparatus for permanently binding a plurality of sheets along one edge by embedding them in a thermally activatable adhesive. The sheets are slashed in the presence of the adhesive in a manner providing contact of the adhesive with the sides ... | 03/01/1977 |
| 3995886 | Heat reactivatible adhesive book binding A method and apparatus for permanently binding sheets of paper into a cover inexpensively and quickly is disclosed. The cover has a top and bottom leaf with a center fold therebetween and a folding score on each leaf near the center fold. An elongated str... | 12/07/1976 |
| 3992741 | Fold bind machine A machine for making a thin booklet by binding loose sheets into an adhesive cover, the machine including a vertically disposed groove-shaped heater unit adapted to receive the folded edge of the adhesive cover and further including a roll pinching statio... | 11/23/1976 |
| 3973787 | Bookbinding system A method and apparatus for permanently binding a plurality of sheets along one edge by embedding them in a thermally activatable adhesive. The sheets are slashed in the presence of the adhesive in a manner providing contact of the adhesive with the sides ... | 08/10/1976 |
| 3972085 | Cut-off device for binding machine In a binding machine wherein mechanical binding elements are first placed through a sheaf of papers and the surplus lengths of the studs of the binding element are cut off, an improved knife is provided wherein the knife is in the form of one or more U-sh... | 08/03/1976 |
| 3970331 | Binder element A binder element for books and the like is provided wherein a first backing strip having a series of studs thereon, which are provided with ratchet teeth, is used in conjunction with a second backing strip for the opposite side, wherein the second strip h... | 07/20/1976 |
| 3964769 | Book binding method An improved technique of forming the hinge joint of a hard bound book. An adhesive is applied over the animal glue on the hinge area of the cover and allowed to dry. Thereafter, the body, coated with a synthetic resin, may be joined to the hinge area to b... | 06/22/1976 |
| 3963553 | Process for separating a number of sheets into groups A process for separating a number of sheets into groups of sheets comprising coating an adhesive composition on an edge of a stack of the sheets and fanning the sheets. The adhesive composition contains a naphthalene sulfonic acid-formaldehyde condensatio... | 06/15/1976 |
| 3957287 | Book and cover therefor A book cover formed from synthetic resin and comprising a unitary rectangular sheet having an intermediate back panel integrally connected to cover panels, the intermediate back panel being more flexible than the cover panel and adapted to extend across a... | 05/18/1976 |
| 3956057 | Apparatus and process for binding books with molten adhesive An apparatus for gluing a stack of aligned sheets into a pad or book with a molten adhesive, comprising means for clamping said sheets with the aligned edges to be glued facing downwardly, a crucible for adhesive, means for melting said adhesive in said c... | 05/11/1976 |
| 3954548 | Binding strip applicator Method and apparatus for binding a stack of sheets whereby a binding member including a substrate material having at least one strip of heat activated adhesive is employed to form the desired book-like assembly. The binding member includes a low tack adhe... | 05/04/1976 |
