Integrally molded, looseleaf books with ring-binder-mounting posts molded on spine

• US 4,295,747 A
• Filed: 08/06/1979
• Issued: 10/20/1981
• Est. Priority Date: 08/06/1979
• Status: Expired due to Term

• Current Assignee: Dominic R. Errichiello
• Original Assignee: Glenbard Molded Binder, Inc.
• Inventors: Errichiello, Dominic R.
• Primary Examiner(s): Bell, Paul A.
• Assistant Examiner(s): Brown, John S.
• Application Number:
  US06/063,864
• Time in Patent Office: 806 Days
• Field of Search: 402/73, 402/74, 402/75, 402/76, 402/80 P, 281/36, 281/29, 24/41
• US Class Current: 402/75
• CPC Class Codes: B42F 13/16 with claws or rings B42F13/30 takes precedence; for permanent binding B42B5/08

Abstract

One piece, molded, looseleaf books having a plastic spine and front and rear, plastic cover panels integrally molded with the spine and hingedly connected to the spine by living, plastic hinges, said spine having on its inner face a plurality of tubular posts on which a snap-ring binder is mounted and is secured thereon by drive or clinch rivets pressed into the tubular posts.

Claims

1. An integrally molded looseleaf book constructed of a thermoplastic polymer material having a snap-ring assembly mounted therein, said looseleaf book comprising:

a spine having front and rear cover panels hingedly mounted on respective opposite, longitudinal edges thereof by means of living hinges;

two or more posts formed in the inner front face of said spine;

means for mounting the matrix strip of said snap-ring on said posts; and

a longitudinal cavity formed in the inner front face of said spine and extending substantially the full length of said spine, said posts being integrally molded in the bottom wall of said spine cavity, and said matrix strip being positioned longitudinally in said cavity.

2. The looseleaf book as claimed in claim 1, wherein said mounting means includes holes corresponding to said posts formed in said snap-ring assembly matrix strip, said holes having fingers formed about their periphery which are adapted to grip said posts for holding said snap-ring assembly on said spine.

3. An integrally molded looseleaf book constructed of a thermoplastic polymer material having a snap-ring assembly mounted therein, said looseleaf book comprising:

a spine having front and rear cover panels hingedly mounted on respective opposite, longitudinal edges thereof by means of living hinges;

two or more posts formed in the inner front face of said spine;

means for mounting the matrix strip of said snap-ring on said posts; and

said means for mounting said matrix strip

includes a tubular passage formed in each post, holes corresponding to said posts formed in said snap-ring assembly matrix strip, and fasteners having a shank member which extends through said matrix strip holes and is tightly fitted within said post tubular passages for holding said snap-ring assembly on said spine.

4. The looseleaf book as claimed in claim 3, wherein said fasteners are rivets having means for gripping the inner walls of said post tubular passages formed on their shanks.

5. The looseleaf notebook as claimed in claim 3 further comprising a longitudinal cavity formed in the inner front face of said spine, said posts being integrally molded in the bottom wall of said spine cavity, and said matrix strip being positioned longitudinally in said cavity.