Log saw apparatus and method

Details Log saw apparatus and method Log saw apparatus and method

B - Operations, Transporting

23

B

B23B 5/04 (2006.01) B23B 5/14 (2006.01) B26D 3/16 (2006.01)

Patent

CA 2483307

Some preferred embodiments of the present invention includes an apparatus and method employed for cutting a rotating log (12) of rolled product into rolls, the apparatus and method utilized for preventing collapse of a longitudinally extending aperture (16) in the log during the cutting process. The present invention includes a mandrel (52) received within the aperture (16) of the log to at least partially support the log (12) and to preferably maintain the integrity of the aperture (16) while the log (12) is being cut by a saw blade (40). Preferably, the mandrel (52) has at least one recess within which a saw blade (40) can be received during cutting operations upon the log (12).

Certains modes de réalisation de l'invention concernent un appareil et un procédé utilisés afin de découper une bobine (12) de matériau roulé, en rotation, en rouleaux, l'appareil et le procédé utilisés empêchant l'affaissement d'une ouverture (16) s'étendant longitudinalement dans la bobine lors du processus de découpe. L'appareil comprend un mandrin (52) pénétrant dans l'ouverture (16) de la bobine afin de supporter partiellement la bobine (12) et de maintenir préférablement l'intégrité de l'ouverture (16) alors que la bobine (12) est découpée au moyen d'une lame de scie (40). Le mandrin (52) comporte, de préférence, au moins une encoche dans laquelle une lame de scie (40) peut pénétrer lors des opérations de découpe de la bobine (12).

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