Product category:
Packaging, Conveyors and Materials Transfer
News Release from: Sigpack Systems | Subject: Longdwell principle
Edited by the Processingtalk Editorial
Team on 28 March 2003
Pharmaceutical pillow pack packaging
The pharmaceutical industry is increasingly turn to the economic pillow pack with hermetically sealed seams : SIG Pack Systems "Longdwell principle" delivers superior pack sealing with reduced costs
SIG Pack Systems has developed the "Longdwell principle" which delivers sealing times 40 times longer than with conventional pillow pack machines The specified air-tightness of the packages corresponds to 0.5 bar negative pressure to guarantee better protection against humidity and sunlight
This article was originally published on Processingtalk on 15 May 2003 at 8.00am (UK)
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Recently, Pharbil Waltrop GmbH, part of the Pharbil lndustries/Nextpharma Group, has installed a SIG packaging system that uses the Longdwell principle.
Pharbil specialises in the manufacture, filling and packaging of oral and topical liquid products, semi-solid ointments, creams and gels.
Its packaging needs include sachets, blister packs and packs for solids.
Further reading
SIG Pack provides more than just pick and place
Since its introduction at Interpack 2002, the SIG Delta Robot has been very positively welcomed by the market, with over 100 robots sold for pick and place installations
Robots add efficiency and reliability to crepes
SIG Pack Systems has provided an automatic packaging system for Semper AB, one of Europe's leading dairy companies, to efficiently package crepes in temperatures of -20C
For tablets in blister packs, Pharbil has installed a fully automatic SIG packaging system, consisting of an infeed chain, a robot cell with two SIGDelta robots, two SIGHSL pillow pack machines, as well as two directly connected lane multipliers to facilitate secondary packaging.
Each robot can handle up to 150 blister packs/min and, even with the sealing time extended by a factor of 40, each SIGHSL pillow pack machine delivers 250 airtight pouches/min.
The combination of the pillow pack machines with the speed and delicate handling of the robots delivers a total capacity of up to 500 airtight packages per minute and has seen Pharbil significantly reduce its packaging costs.
Two SlGDelta robots pick up the incoming blister packs, which are arranged in six rows, directly from the blister machine.
Each robot takes three packs and carefully places them, one after the other, into the moving infeed chain of the SIGHSL pillow pack machine.
The hermetic flow wrap is applied to each individual blister pack and the packs are then transported to secondary packaging in two lanes.
Perfect packaging quality is guaranteed, because any faulty or empty packs are detected immediately by sensors and then rejected.
To avoid any unnecessary wastage of packaging material, every chain pocket is checked for product to ensure that there are no empty or double packs.
The SIGHSL pillow pack machine is fitted with several monitoring devices for quality assurance: no gap, no seal, automatic film track control, film end monitoring, photo electric registration for the synchronisation of film, product and cross sealing station, detection of manufacturer's splices, date and batch number checking, product ejection monitoring, and fill level in the blisters.
Gentle handling is guaranteed even at high speed, thanks to the flexible, freely programmable SIGDelta robots.
The SIGDelta robots can easily handle different products and product arrangements.
Conversion to a different product simply involves changing the gripper tools.
To check the quality of the packaging, individual pouches can be removed from the robot cell at any time with the push of a button.
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