Rohrer AG SonoCut technology for cutting and sealing tubular bags and perforating FFS multipacks

Rohrer AG’s SonoCut technology uses ultrasound for cutting and sealing tubular bags and perforating FFS multipacks. The high-precision punching tool is an efficient alternative when thermal processes or classic tubular pouch machines are pushed beyond their limits.

SonoCut technology is suitable for processing modern ecological materials and ultra-thin foils. It makes users independent from PS films as it can create break lines even on alternative film laminates such as PP, PET and PLA. Multi-portion packs made of flexible plastics and laminates were previously inconceivable. FFS multipacks made of PET, for instance, are now a reality thanks to SonoCut. The technology enables cutting and sealing combinations to produce and seal individual peelable films on packaging. Inexpensive films keep costs low, recyclable plastics improve the ecobalance and stable processes increase production reliability.

Combining ultrasound with a precision tool enables a whole new range of packaging solutions. The ultrasound components are integrated in the mechanical structure where they form an autarkic unit. SonoCut creates airtight packaging even if the seal surfaces are soiled or contaminated. SonoCut retrofit components are suitable for integration in existing systems due for refurbishing.

Ultrasound sealing processes offer significant advantages in comparison to thermal methods: creates airtight seals even when the seal is contaminated with product; less heat transfer is involved; less dead space and more compact seals; higher cycles times; better productivity; less cost.