PINED CYLINDER WITH ONE PINED SHELVE AS MINIMUM

摘要

FIELD: production methods. ^ SUBSTANCE: pined cylinder is provided by one ruled shelve with pins and one as minimum extending, temporarily as minimum, from pined cylinder with whip, capable to retract to pined cylinder and extending from it, closing the signature from the following pins. ^ EFFECT: invention provide the protection of pins from damage. ^ 23 cl, 6 dwg