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Our industrial venture is rooted in a solid friendship: Stefano Giacometti and Walter Zanon founded JWT Snc and later JB Machines Srl with the aim of designing, prototyping and providing solutions and advanced machines for the packaging industry.

Extensive experience in the field of industrial packaging has allowed us to create our most important project: BM-01, a unique automatic paper bag making machine that has become a milestone of innovation. 

Over 30 years of experience and a history of success has made us leaders globally, guided by the desire to innovate, grow and provide the best possible service to our customers.

Handle unit

To produce and apply in-line paper handles with the support of patches.

Serrated die cut unit

For punching the bag or mailer at the edges, cutting a handle or a die cut in any position. Two different units that can operate simultaneously.

Flat handle unit

Together with the handle, it allows the production of flat paper handles in a rounded shape, not folded to 90°.

Twisted handle making unit + patch feeders

To apply one or two reinforcement patches to the bag or mailer with a die-cut handle, making it suitable for carrying heavy loads.

Questa unità esegue le seguenti lavorazioni:


web adhesive

Synthetic or textile flat

handle web adhesive

Flat bottom unit

To produce bags and mailers without gusset and without folding on the bottom.

Web adhesive spool reel unit total width

To apply a sealing strip along the entire width of the bag or mailer.

Spool reel unit left web adhesive

To apply a sealing strip on the top or inside the bag or mailer.

Tear tape dispenser unit

To unwind and glue tear tape on the longitudinal direction of the mailer.

Fish Bone longitudinal precutting unit

To make a precutting on mailers and bags with the a “fish bone” pattern.

Longitudinal straight precutting unit

To make a straight segmented precutting on mailers and bags for easy opening.