Abstract: The invention provides a day planner for holding calendar pages, papers, notes, cards, etc., which includes a separate compartment for holding photographs. More particularly, the present invention provides a day planner that has front and back covers that are attached to a central spine. The interior of the day planner is partitioned by a divider into a pair of compartments, one of which includes a binder for securing calendar pages, notes, addresses, etc. and the other of which includes a plurality of photo album pages. Additionally, fasteners are provided for keeping each compartment closed and for securing the contents of each compartment in the planner.

Abstract: A binder assembly includes a sheet retaining device having a plurality of rings for engaging corresponding holes in sheets of material retained by the sheet retaining device. The sheet retaining device is attached to a cover member by a fastener having a portion which is insertable into apertures in the sheet retaining device and securable thereto by pressing. The fastener includes a rectangular base having deformable claws which become embedded in the cover member when installed to securely hold the sheet retaining device to the cover member. The embedded claws are concealed from an outer surface of the cover member, thereby improving the exterior appearance of the binder assembly.

Abstract: The filing device in which a binding fastener 2 fixedly attached to a folder body 1 can be demounted from the folder body 1 with accompanying plastic deformation or destruction of the parts of the filing device, and is characterized by that the binding fastener 2 is fixedly attached to the folder body 1 by a binding mechanism 3 which fastens the binding fastener 2 to the folder body 1 and which enables the binding fastener 2 to be released from the folder body 1 with a relative movement of the binding fastener 2 to the folder body 1, and an engaging lock mechanism 4 which prohibits the relative movement.

Abstract: A filing device for documents having a panel of material with a spine and first and second lateral faces extending therefrom. The panel is a planiform hollow shell construction. Flaps are formed on the distal edges of the lateral faces. One of the flaps has a hook member formed within cut-out portion. The other flap has a cut-out portion with a slit formed at bottom thereof. The slit is suitable for receiving the hook member. The hook member is hingedly connected to the flap at the bottom of the cut-out portion.

Abstract: A binder for storage of sheet materials, particularly large sheet materials, such as maps, blueprints and the like, in a flat configuration. An elongated frame element, which supports the sheet materials along a marginal edge in a hanging orientation, is provided with a pivoting hand grip mounted on the frame and movable between vertical and horizontal orientations. The hand grip, of which there may be more than one, enables the binder and its contents to be conveniently removed from a storage rack and re-positioned for use.

Abstract: A ring capture mechanism of a loose-leaf binder includes a first plate having a U-shaped slot of continuous circumference designed to receive a ring of the binder through the slot within the circumference. The first plate moves across a second plate having a straight slot of continuous circumference designed to receive the ring of the binder, and locks the arms of a ring contained in both slots in the legs of the U-shaped slot.

Abstract: A ring binder assembly includes a folder comprising front and rear flaps interconnected by a spine, a pair of low-profile receptacles attached to an inner surface of the spine, and a ring mechanism whose tubular rivets have mushroomed feet designed to be seated in the receptacles. The receptacles open in opposite directions so that the ring mechanism is installed with a swiveling motion. A method of shipping the binders, unassembled, is to place a stack of a number of folder opened flat in a box, leaving just sufficient head space for a corresponding number of ring mechanisms arranged side-by-side in a single row at the top of the box. The binder assemblies can be quickly completed by the retailer, or by the end purchaser.

Abstract: A die-cut sheet of material is folded in three and clamped by a ring binder mechanism so that two panels formed by the folding are pressed to a third panel that is between the folds, forming a binder cover leaf on each side of the mechanism. The ends of the folded panels are spaced from the fold lines, and may be fastened together to form a horizontal pocket, a vertical pocket, or horizontal and vertical pockets in both leafs.

Abstract: This binder (10) includes a front cover (12), a rear cover (14) and a spine (16) and is provided with a transparent label holder (50) which extends across the spine (16) and is attached to at least one of the covers (12,14). The label holder (50) provides an open upper margin (52) and is attached at the side margins (60, 62) and at least partially attached at the lower margin (54) to retain the label (100) which thereby has an increased area for label information.

Abstract: A plurality of U-shaped springs are hingedly attached by the arms of the U to a pair of covers forming a hinge on each cover and a channel configured to receive an article in the channel through the hinges.

Abstract: A folder comprising an upper cover for a ring binder has a lip 13 which is arranged to fit into a normal ring binder press. The lip and a bundle of sheets can then be formed with slots to receive the ring binder in conventional manner. The lower cover 10 has a fold line 14 to allow it to remain free of the press and to wrap around the ring binder and cover the bundle of sheets. The folder itself has no holes in it and can be formed of virtually any material.

Abstract: A fastener apparatus for releasably fastening a sheet retaining apparatus to a cover member includes a plate member secured to the cover member and having an aperture therein. A pin member is reciprocally mounted to the sheet retaining apparatus, with a portion of the pin member being selectively positionable in the aperture to secure the sheet retaining apparatus to the cover member. Thus, the sheet retaining apparatus is readily assemblable and disassemblable from the cover member repeatedly by a user. Thus, the sheet retaining apparatus and the cover member may be shipped in an unassembled condition in a very compact package for later assembly by the consumer.

Abstract: A new Organizing and Planning Device For Weddings for providing a convenient system for organizing the multitude of information associated with planning a wedding. The inventive device includes a binder including a back cover, a front cover, and a spine portion hingedly joining the back cover and the front cover wherein the binder further includes a plurality of openable retaining rings mounted to the spine portion thereof. A plurality of pocketed dividers, a plurality of notational information sheets, a reference calendar, a plurality of monthly planning calendars, and a plurality of tabbed dividers are each removably and replacably retained in the binder by the plurality of openable retaining rings. Each of the plurality of pocketed dividers corresponds to an element of the wedding occasion.

Abstract: The present invention provides an improved carrying case which is capable of storing a pad of fresh writing paper, wherein the pad of paper may be stored in a pocket that will enclose the pad and protect it from being exposed to the outside elements. The carrying case of the present invention provides the benefits that the notepad is easily accessible to the user, without having to open the case to expose the papers contained within the interior of the case. Thus, the user may write upon a fresh pad of paper without opening the interior of the carrying case. Further, the carrying case is sturdy enough so that the user can have a sufficiently stable surface to write upon the notepad without removing the notepad from its pocket.

Abstract: A photo album includes a binder shaft which has a receiving space therein for receiving APS film cartridges, and an opening communicated with the receiving space for passage of the APS film cartridges. Top and bottom cover sheets and picture holding sheets are hinged to the binder shaft. A cover can close the opening. The picture holding sheets have a plurality of picture pockets which are 3 inches in width and 10 inches in length for receiving three common specifications of APS picture types.

Abstract: A variable volume file for documents, includes a folder, constituted by two flat parts and by a back, and a box, corresponding in shape and volume to the folder, having two larger bases and by three lateral surface faces. The folder and the box are made individually in two separate parts, which can be partly overlapped on one another in the width direction of the back. Each folder part includes a flat and a back wing; each box part includes one of the bases and lateral surface wings. Provided in the back wings of the folder and in the lateral surface wings of the box are structures for sliding engagement which interact with one another for the relative movement of one part in relation to the other and structures for mutual locking of the respective parts in prefixed positions.

Abstract: A detachable metal binder designed to be detached from a file when needed by a user and a file having this detachable metal binder. A detachable metal binder in which a bottom plate (20a) is mounted on a spine (10a) of a cover (10) by means of a connecting pin (14) comprises restricting means (24) provided in each corner of the bottom plate (20a), the restricting means comprising a locking hole portion (24b) for locking a clamping portion (14c) of the connecting pin (14), a passing-through hole (24c) through which the clamping portion (14c) is allowed to pass, and a guiding opening (24a) for establishing a communication between the passing-through hole (24c) and the locking hole and allowing the movement of a shaft portion (14b) of the connecting pin (14) that connects an extended diameter head portion (14a) and the clamping portion (14c) thereof.

Abstract: A binder for containing a plurality removable paper sheets and having a back portion with covers attached to each side thereof and an elongated spine portion attached to the inside of the back portion with a plurality of binder rings integrally formed with the elongated spine to form a single unit. The annular rings have an outer portion of a first width and an inner portion of a second smaller width that matingly engages die-cut recesses in each sheet that likewise have a first narrow portion extending inwardly from the edge of the sheet to a second portion having a greater width than the first narrow portion such that the paper sheets can be inserted and removed from attachment to the binder rings.

Abstract: A ring binder assembly includes a folder comprising front and rear flaps interconnected by a spine, a pair of low-profile receptacles attached to an inner surface of the spine, and a ring mechanism whose tubular rivets have mushroomed feet designed to be seated in the receptacles. The receptacles open in opposite directions so that the ring mechanism is installed with a swiveling motion.A method of shipping the binders, unassembled, is to place a stack of a number of folder opened flat in a box, leaving just sufficient head space for a corresponding number of ring mechanisms arranged side-by-side in a single row at the top of the box. The binder assemblies can be quickly completed by the retailer, or by the end purchaser.

Abstract: A document binder is formed with front and back covers hinged together in articulated fashion with a spine located therebetween. An overlay is provided across the outer surface of at least the front cover and the spine and is secured by fusion to inner and outer, plastic cover sheets that encapsulate a flat, stiff, front cover core, spine, and back cover core therebetween. A front cover title sheet pocket is defined between the overlay and the outer, plastic cover sheet. The title sheet pocket is of a narrow enough width to readily accommodate title sheets printed on paper of standard width, such as eight and a half inches. The fabrication technique employed allows a title sheet pocket to be created for the front cover of the document binder which snugly confines the title sheet and prevents it from shifting laterally as occurs in conventional devices.

Abstract: A three ring binder includes a spine, front cover and back cover, each of which includes a substantially solid base plate and an outer plastic shell. The spine and front cover each includes a rectangular picture frame, the outer edges of which are aligned with and welded to the bottom and side edges of the spine and cover. A clear plastic membrane is secured to the frame's interior covering the opening in the picture frame. The frame top edges are spaced inwardly and free of the shell to form insert pockets. Display inserts are slidably mounted within the insert pockets defined by the frames. The spine insert includes an upper folded edge. An L-shaped member extends through an opening in the folded edge, and includes an outer pin head. Pulling upwardly on the pin head withdraws the insert. Mount mats of a semi-solid paper are provided in the pockets to receive thin, flexible paper for insertion into the frame pockets. The inserted mat holds the display material with the insert pocket.

Abstract: A clip binder for holding paper which does not require damaging the material to be held within the clips. The clip binder has a front cover, a binder spine, a back cover and a pair of clips mounted on each end of the binder spine. The clips have a clip spine and two retainer walls which together define the jaws within which the paper is inserted. The clips are positioned perpendicularly to the binder spine such that the jaws face each other and are at right angles to the binder spine. The height of the retainer walls are constructed low so that the papers can be easily leafed through and without and fold back problems. In an alternative embodiment, the clips are slidably mounted to the binder spine. In yet another embodiment, the clips are rotatably mounted to the binder spine.

Abstract: A ring binder adapted to be secured to an article by at least one integral rivet, the ring binder comprising a substantially rigid integral upper plate supporting a pair of pivotable lower plates to which a plurality of ring members are mounted, the rivet comprising (1) a barrel that is in direct engagement with the upper plate and (2) a plurality of claws for securing the article, wherein at least 75% of said claws extend away from a longitudinal axis of the barrel. Also disclosed is a rivet adapted to secure a ring binder to an article, the rivet comprising (1) a barrel for engaging the ring binder and (2) a plurality of claws for securing the article, wherein at least a majority of the claws generally extend away from a longitudinal axis of the barrel.

Abstract: A method and system for generating, inventorying, storing and managing records and record forms is disclosed. The record management system and method utilizes a system record generator which generates a plurality of policies, record forms and the like in response to a questionnaire record. Customized record forms and policies are generated and stored in a unique record receiver having indicia for clearly identifying forms therein. A record holder is also provided for storing, inventorying, and managing the record forms used. The method and system are particularly useful for managing and insuring that record forms are completed for employees in a company by providing convenient means for visually identifying record forms, such as employment applications and the like, for ascertaining when one or more forms is missing by the presence of an empty compartment in the record holder.

Abstract: A ring binder cover (4) is composed of a pair of thermoplastic sheets (20, 22) superimposed in edge-to-edge relation with a stiffener insert panel (23) disposed therebetween. The insert panel bears two parallel grooves (25, 27) which divide the insert into a spine zone (30) and two cover zones (24, 26). The material of the insert lying at the bottom of the grooves forms a pair of webs (32, 34) which, combined with the adjacent portions of the cover sheets, form hinges between the spine and each cover. The peripheral edge portions (40) of the two thermoplastic sheets are sealed together and provide a sealed envelope for the stiffener insert which defines semi-rigid back and front cover panels of the binder, hingedly connected to a rigid spine.

Abstract: A ring binder (100, 200, 300) adapted to be secured to a cover (112, 212, 312) is disclosed as comprising a substantially rigid upper plate member (102, 202, 302) supporting two pivotable lower plates (104a, 104b, 204a, 204b, 304a, 304b) to which a plurality of rings (106, 206, 306) are mounted, and at least a set of claws (108, 208, 308) integrally formed with the ring binder (100, 200, 300) and adapted to secure the ring binder (100, 200, 300) to the cover (112, 212, 312).

Abstract: A ring binder is disclosed as being adapted to be secured to a cover by at least one rivet, the ring binder comprising a substantially rigid curved upper plate supporting a pair of pivotable elongate plates to which a plurality of ring members are mounted, and the rivet is engageable directly with the cover and the curved upper plate, and the rivet includes a cylindrical body with an inwardly bent upper end.

Abstract: A folder includes a body with a front wall, a rear wall, two side walls connected between the front wall and the rear wall and a bottom wherein a plurality of envelopes are disposed in the body and a cover extends from the rear wall. A stand device includes a first plate and a second plate which is connected to a lower edge of the rear wall and the first plate foldably extending from the second plate with a free end of the first plate fixedly connected to the rear wall so that the folder stands on a plan surface by stretching the second plate. The envelopes overlap with each other and are connected in series.

Abstract: The present invention discloses a portfolio type device employing sealed plastic sheet protectors fastened together in a ringed binder, and enclosed by a durable outer shell this shell may be made of a suitable material such as leather, vinyl or nylon canvas. When in the closed position, the present invention employs a zipper on three sides to secure the shell, thereby completely encasing the documents and providing protection from wind, rain and other elements. On the fourth side of the device is attached a handle to facilitate portability of said device. The plastic sheet protectors may be of varying sizes to accommodate oversized documents such as blueprints, photographs, business cards or other documents. The oversized sheet protectors may be folded over to fit within the present invention when it in the closed position, although not causing permanent folds or curling of the edges of the document.

Abstract: A document cover of simple construction conceals and shields the fasteners that are customarily employed in binding a stack of pages of uniform size together along a binding margin. The document cover is formed of a plurality of panels including a broad top cover panel located atop the stack and residing in contact with the top sheet of the stack. The document cover also includes at least a narrow top concealment panel attached to either the top cover panel or the back panel by at least one spine fold. The top concealment panel extends from the binding edge of the stack of pages cross the binding margin of the stack. The document cover includes at least a single layer of adhesive secured to the stack so that the top concealment panel conceals the fasteners from view from the top of the stack of pages.

Abstract: This binder (10) includes a front cover (12), a rear cover (14) and a spine (16) and is provided with a transparent label holder (50) which extends across the spine (16) and is attached to at least one of the covers (12,14). The label holder (50) provides an open upper margin (52) and is attached at the side margins (60, 62) and at least partially attached at the lower margin (54) to retain the label (100) which thereby has an increased area for label information.

Abstract: A method of assembling a sheet binder mechanism to a binder cover includes making holes in a board in predetermined alignment with a plurality of fastening means on the binder mechanism, inserting bracket means in the holes preferably so that the board retainably holds the bracket means, attaching the board to the binder cover, attaching a binder cover liner to the board on the side of the board that is away from the attachment of the board to the binder cover, and attaching the sheet binder mechanism to the binder cover by driving a thread making fastener into the bracket means.

Abstract: A flexible spine binder with an open pocket extending the length of the spine and a stiff elongate member insertable into such pocket transforming the flexible spine into a stiff spine and also providing means for labelling the binder. The binder is made of film vinyl, polypropylene or the like.

Abstract: An organize appointment book for a hairstylist (10) comprising a loose-leaf binder (12) having a front cover (14) and back cover (16) hinged to a spine (18). A page holder (20) is mounted to the spine (18). A plurality of imprinted pages (22) are detachably held by the page holder (20). Each imprinted page (22) bears printed indicia (24) thereon for providing information to the hairstylist using the organize appointment book (10).

Abstract: An organizer cover comprises a front cover, a back cover, and a loose-leaf holder for holding loose leaves. The front cover and the back cover are of a sacklike construction and are capable of holding therein a mono-phase or two-phase liquid. Located between the front cover and the back cover is a connection portion to which the loose-leaf holder is fastened. The front cover and the back cover are made of transparent or translucent plastic skin. The mono-phase or two-phase liquid contained in the front cover and the back cover may further contain small solid pieces. Various patterns are brought about on the surfaces of the front cover and the back cover when the mono-phase or two-phase liquid flows about in the interiors of the front cover and the back cover.

Abstract: A one piece injection molded binder for securing together a plurality of sheets having a longitudinally extending dorsal part and fingers spaced along the dorsal part. The binder is formed from a single piece of plastic material that is injection molded from a two-piece mold. No mold core parts are required. The binder includes an elongated dorsal part having a first longitudinally extending side and a second longitudinally extending side. A plurality of gaps or openings are spaced equidistantly along the perimeter between the first and second sides and a plurality of flexible fingers extend adjacent the gap opening, curved around to face the inside of the dorsal part perimeter adjacent the second side. The free ends of the fingers overlap the dorsal part.

Abstract: A file folder improved in stiffness otherwise to fall down or deform when the S-binding file folder is placed in the E-type storage mode comprises a pair of foldable front and rear covers 4 and 5, a back cover 6 integrally located between and connected to them, and a binding fastener 3 fixedly attached on the inner face of the back cover 6 or the inner face of one of the foldable covers 4 and 5 near the back cover 6. A top wall section 8 and a tip wall section 9 are provided along the top and tip edges of one of the covers 4 and which detachably engage with the another cover 5.

Abstract: The device for retaining sheets, files, or punched cards in binders has a body defining a base portion that can be associated with the cover of a binder. Two arms extend from the base portion and constitute the two arms of an open ring. The two arms can move towards each other at their free ends, which lie opposite to the base portion. The free ends are provided respectively with a tooth and a seat, for mutual engagement. The tooth can be engaged with or released from the seat to close or open the ring.

Abstract: Disclosed is a binder for loose-leaf notebook mainly including a hollow middle connector having two side axes and a label recess formed at a ridge portion thereof, two loose covers, two pivotal connectors having axis grooves and loose cover grooves to respectively engage with the side axes of the middle connector and two inner edges of two loose covers, two end insertions inserted into two end openings of the hollow middle connector, and two closing members disposed between the two loose covers. The binder can be easily produced and assembled to form a loose-leaf notebook while the loose covers thereof can be locked up.

Abstract: A binder (12) for storing sheets (S) of paper having punched holes (H). First and second end leafs (16, 18) form outer covers of the binder. A center plate (20) is positioned intermediate the end leafs which are flexibly attached (at 16f, 18f) to the center plate to enclose sheets of paper between the end leafs. Binder rings (24, 26, 28) carrier on the center plate hold the sheets and are movable from a closed to an open position. Sheets are inserted into the binder by inserting the holes over an exposed end (24e, 26e, 28e) of the rings when the rings are opened. Locking mechanism (30) locks the rings closed. A mechanism (58) moves the rings from their closed to their open position. One end (24d, 26d, 28d) of the rings attach to a rotatable plate (60). The locking mechanism is located on one side of the center plate adjacent one of the end leafs, and the rotatable plate is located on the opposite side thereof adjacent the other end leaf.

Abstract: A durable, economical to manufacture organizer for a sketchbook designed to store and carry various drawing instruments used by the artist which directly attaches to the sketchbook. The organizer includes a container which selectively attaches to a leaf on a sketchbook and allows the sketchbook to be opened or closed while the organizer is attached to the sketchbook. The container has a flap member which folds and slides between the leaf of the book and the drawing pages in the sketchbook. Hook and loop connector pads and an elastic strap are provided to hold the container over the front surface of the leaf. A lid is attached to the container which may be selectively closed during use. The organizer is made from a single template made of durable material which is easily folded into the container. Suitable connectors are used to hold the walls and parts of the container together.

Abstract: A flexible sheet having the back coated with a glue is formed into panels which are folded back on themselves with at least one layer being the back glued to itself by the coating. In one embodiment the glue is an energy responsive adhesive, and energy is applied to the folded sheet while it is on a cover, so that a cover having the cover liner with reinforced pocket is made.

Abstract: Disclosed is (1) a method of manufacturing a binder product, (2) an apparatus for use in operations for manufacturing binder products, (3) an improved binder which utilizes a rigid and arcuate spine board, and (4) an improved binder product with lid boards which are of a size in the range of industry standard sizes, but which are capable of fully enclosing tabbed document archiving office products.

Abstract: A hinge clip for a display book for holding display samples for consumers to review includes a clip mounted along a clamp. The clamp is capable of securing a board which forms a page of the display book, and the clip is capable of releasably holding samples in the display book. Several hinge clips can be hingedly connected together.

Abstract: A binder with cover spacer which restrains the covers of a binder in a near-parallel relationship to enable the binder to be stored in a stacked or shelved manner. The binder of the invention is comprised of a back portion, or spine, which determines the width of the closed binder, and generally two covers hingedly attached to the spine. The cover spacer of the invention comprises a first base portion affixed to one of the covers of the binder near the distal, or outer, edge of the cover. A stand-off element is hingedly attached to the first base portion, such that the stand-off element is moveable from a position approximately parallel to the cover, essentially laying flat against the cover, to a position approximately perpendicular to the cover. A second base portion is affixed to the other cover in a position generally opposite to the first base portion.

Abstract: A binder apparatus including a replaceable outer cover. The outer cover is formed of a completely recyclable material such as paperboard to allow it to be recycled after it has been removed from the ring binder mechanism. The spine of the outer cover is releasably connected to a ring binder mechanism having hinged rings for holding papers and the like by a removable rivet assembly inserted through corresponding apertures in the spine and the ring binder mechanism. The removable rivet assembly includes a sleeve having a plurality of arms, and a pin having a shaft and a head. The shaft of the pin is inserted into the sleeve and holds the arms on the sleeve outward against the ring binder mechanism, thus securing the spine of the outer cover to the ring binder mechanism. The rivet assembly is inserted into the corresponding apertures in the spine and ring binder mechanism such that, when the rivet assembly is in place, the head of the pin contacts the spine of the outer cover.

Abstract: A ring binder cover (4) is composed of a pair of themoplastic sheets (20, 22) superimposed in edge-to-edge relation with a stiffener insert panel (23) disposed therebetween. The insert panel bears two parallel grooves (25, 27) which divide the insert into a spine zone (30) and two cover zones (24, 26). The material of the insert lying at the bottom of the grooves forms a pair of flexible strips (32, 34) which, combined with the adjacent portions of the cover sheets, form hinges between the spine and each cover. The peripheral edge portions (40) of the two thermoplastic sheets are sealed together and provide a sealed envelope for the stiffener insert which defines semi-rigid back and front cover panels of the binder, hingedly connected to a rigid spine. The insert can be provided with insert notches (370, 470, 570) at each end of each flexible strip to reduce outward protuberance of the peripheral edge at the hinge ends.

Abstract: This folder (10) includes covered pocket portions (12, 14) connected by a spine (16) and each separately reinforced. The reinforcing for one portion (12) includes a slide-stiffener assembly (20) and the reinforcing for the other portion includes at least one stiffener (160, 260) separated from the slide-stiffener assembly (20). The slide-stiffener assembly (20) includes a base unit (22) housing a sliding extension member (40) which can be extended to bridge the spine (16) to hold the two pocket portions (12, 14) in an open position and provide a rigid writing surface and retracted to permit the folder (10) to be folded for storage by the user.

Abstract: A binder (10) is for use in storing sheets (S) of paper having punched holes (H) in them. First and second end leafs (12, 14) respectively form outer covers of the binder. A center section (18) is intermediate the respective end leafs. One side of each of the end leafs is flexibly attached to opposite sides of the center plate for sheets of paper stored in the binder to be enclosed between the end leafs. A plurality of binder rings (22-30) hold the sheets of paper, and the rings are movable from a closed position to an open position so sheets of can be fitted into or removed from the binder. A backplate channel (48) is affixed to a centerplate (42), and one end of the rings fit through openings in this channel. The other end of the rings are secured to a ring channel (46) which, in turn, is secured to the center plate by screws (70). When the screws are removed, the ring channel can be lifted away from the center plate, opening the rings.

Abstract: A ring binder which is easy to grasp at the spine and is capable of accommodating a great number of loose-leaf sheet. According to one embodiment, such a ring binder comprises a stiffener assembly, the stiffener assembly having an interior surface and an exterior surface and comprising a front cover stiffener panel, a rear cover stiffener panel and a flexible backing. The front and rear cover stiffener panels are spaced apart from one another and are interconnected by the flexible backing, the stiffener assembly being devoid of any stiffeners disposed between the front and rear cover stiffener panels. An interior surface sheet, preferably of canvas material, is secured to the interior surface of the stiffener assembly, and an exterior surface sheet, preferably of canvas material, is secured to the exterior surface of the stiffener assembly. A ring assembly is secured to the rear cover stiffener panel.