Craft · 6 pages · 12 min

Why perfect binding fails differently from a sewn book

Glued single leaves fall out one by one, while sewn pages fail as folds and sections.

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From the opening

Perfect binding clamps separate leaves, mills the spine edge, and glues on a cover so each page is held only by adhesive. It fails when that glue lets go and pages drop out as single sheets, a different break from a book whose sections are sewn. The opening covers leaves glued at a milled edge, pages fall out one by one, and sewn books fail in sections.

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Inside

  • Leaves glued at a milled edge
  • Pages fall out one by one
  • Sewn books fail in sections
  • Coatings give glue less fiber
  • Where the idea stops applying
  • A distinction worth keeping

Sources

  • Adhesive perfect binding
  • Sewn signatures contrasted with glued leaves