Perfect / Burst / Lock & Limp Binding

Summary

PERFECT / BURST / LOCK & LIMP BINDING;

 

A type of binding in which each section's spine is slotted or specially perforated during the folding operation. An adhesive is pushed up between the perforations during the binding process and the drawn cover is added on during the folding process. 

 

Advantages:

  • In the form of a folded sheet, text pages will be held together

  • The adhesive area is allowed a larger grip area. The method of burst/lock binding creates the larger grip area by allowing the glue to bond itself to the slots and the backs of the signatures, which makes the product more durable

  • Section sewn and limp bound is the strongest version of this style of binding.

 

PERFECT BINDING:

A form of binding that follows the adhesive method. Perfect binding involves a four-step process.

1. The signatures are collated;

2. The block in the book’s spine is taken off using a saw, this leaves loose-leaf pages;

3. The spine is roughened and an adhesive is then applied;

4. Lastly the book cover is drawn on.

Specifications

Perfect Binding is the least preferable form of binding and exhibits the least amount of binding strength.

 

Sizes offered by Marvel Bookbinding & Printfinishing (Perfect / Burst / Lock & Limp Bound):

Minimum trimmed:  105mm x 75mm

Maximum trimmed:  380mm x 300mm

Minimum untrimmed:  140mm x 105mm

Maximum untrimmed:  430mm x 305mm

Minimum spine:  2mm (text)

Maximum spine:  60mm

Minimum cover size:  145mm x 220mm

Maximum cover size:  440mm x 630mm

Maximum cover for gate fold:  1000mm x 440mm

Important Tips
  • Please ensure ink-free and coating-free areas on the spine areas of all pages (inner and outer). Ink-free and coating-free areas 3mm either side of the spine is highly recommended.

  • We request stock is pre-trimmed before printing onany jobs that involve line-ups, to ensure that the stock is accurately folded. Please make sure that the lay-mark is clearly identified and can be clearly seen on all sections supplied.

  • Ensure all covers are ink-free and coating-free on the spine area. This also includes the hinge side glue area. It is very important to avoid any application of ink, laminate or varnish inside 5mm of the hinge or spine of the covers, this applies for both the front and back.

  •  

  • Covers:

    • Must be a minimum size of 3mm longer than the folded section at both the head and foot points. Do not provide the covers at the final trim size as room needs to be available to create a glue trap in the binding process.

    • Do not crease the covers as it is an essential part of the binding process and will be performed in the line of work.

    • Grain direction of cover and text must run top to bottom. Do not mix grain stocks.

© 2015 Marvel Bookbinding & Printfinishing

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