Gemata add new variants to Greenfinish system
It has been more than two years since Gemata first introduced their Ecofinish release
paper finishing lines with infrared drying ovens. At Simac Tanning Tech exhibition in
2019 they officially launched their new Greenfinish system (as reported in World Le
World Leather - Dec/Jan 2020
The first whole hide belt-buffing machine
Headquartered in Varese, near Milan since 1947, Aletti was founded by machine tool mechanical designer Franco Aletti and his father Giovanni who was head of maintenance at the largest tannery in Varese. The first machine built by Aletti in 1947 was a 250
World Leather - Oct/Nov 2020
ECOTAN: efficiency made simple
Ecotan is Erretre’s new option for automated spray machines. A spray booth that achieves
excellent results, designed to take into account the finer details but also the bigger picture
with regards the most important requirements of leather finish coating
World Leather - Apr/May 2020
New software for tannery process management
Technology provider Italprogetti has developed a new software system, Leonardo, that will allow tanners to use machines in automatic or manual modes at the same time.
World Leather - Oct/Nov 2019
Flesh-side resin coating
Gemata’s 30 years of experience in the production of complete finishing lines,
comprising roller machines, drying tunnels and spray booths, offers precision
and reliability. Adding to this, Starface is a new, patented roller-coating machine
specifically d
World Leather - Oct/Nov 2019
Green Beamhouse – a toolbox for sustainable, high-quality leather
The arrangement of wastewater treatment plants and the requirements in terms of incoming
wastewater vary from country to country and from region to region. This requires tanneries to
adjust their processes and to focus on the reduction of certain wastewat
World Leather - Aug/Sept 2019
Iris colour quality control
With over 40 years’ experience in the production of tannery machines ranging from
measuring machines and spray economisers to automated rolling and bundling machines,
GER Elettronica launched its IRIS colour control technology at the 2018 SIMAC TanningTec
World Leather - Jun/July 2019
A future focused on innovation
Tanning group PrimeAsia hosted an open-house event at its tannery in Vietnam in
March to celebrate the completion of an expansion project it began in 2015.
World Leather - Apr/May 2019
Arzignano water treatment plant
Just as the human digestive system is key to helping a person enjoy a long life, the effluent treatment plant operated by Acque del Chiampo in Arzignano plays a crucial role in maintaining the health of this important tanning district. Investment has ensu
World Leather - Feb/Mar 2019
Challenges in China around VOCs and leather’s smell
New legislation in China imposes strict limits on emissions in car interiors, changing the requirements
original equipment manufacturers face when testing automotive leather. In turn, this will have an impact
on automotive leather manufacturers. Leather c
World Leather - Oct/Nov 2018
An innovative solution for low-temperature sludge drying
Italian machinery maker Cartigliano says its new drying machine is able to drastically reduce the volume of sludge products, opening the door for significant cost savings when it comes to its disposal.
World Leather - Aug/Sept 2018
greenLIFE 3: New renewable tanning technologies
Green Leather Industry for the Environment (greenLIFE) is a project run by a
group of industry partners in Italy’s Arzignano tanning cluster. The project
partners have committed to sharing their findings by publishing a series of
papers in World Leather.
World Leather - Apr/May 2017
Machinery manufacturers respond to tanners’ demands
In spite of ongoing concerns about the raw materials market and demand for leather among
finished product manufacturers and fashion brands, exhibitors at the 2016 Tanning Tech
exhibition in Milan were able to conduct meaningful conversations about investm
World Leather - Apr/May 2016
A view of the Italian tannery machine construction industry
A week’s round of visits by our Machinery Consultant, close to the normal Italian summer shut-down, to most of the tannery machinery manufacturers based in the Arzignano cluster found ongoing technical progress, together with an encouraging commercial cli
World Leather - Aug/Sept 2015
A view of the Italian tannery machine construction industry
A week’s round of visits by our Machinery Consultant, close to the normal Italian summer shut-down, to most of the tannery machinery manufacturers based in the Arzignano cluster found ongoing technical progress, together with an encouraging commercial cli
World Leather - Aug/Sept 2015
Mercier Turner introduces the CNC Splitting Machine
The endless band knife leather splitting machine first conceived and built in the nineteenth century has ever since, proudly and justly, been regarded as the most sophisticated precision piece of equipment used in the leather making industry. Despite many
World Leather - June/July 2015
Mercier Turner introduces the CNC Splitting Machine
The endless band knife leather splitting machine first conceived and built in the nineteenth century has ever since, proudly and justly, been regarded as the most sophisticated precision piece of equipment used in the leather making industry. Despite many
World Leather - June/July 2015
Extra complexity after Lear makes its move
Relationships in the automotive supply chain have always been interesting, not least for tanners, who usually sell
to original equipment manufacturers (OEMs) but supply finished leather or cut parts to specialist tier-one suppliers
of seats, steering whee
World Leather - Feb/Mar 2015
A cut above
Technology for cutting automotive leather is advancing all the time. There are powerful
benefits to be gained from adopting the newest automated, computerised cutting systems, but,
as this article suggests, if tanners are to make investment in this new te
World Leather - Feb/Mar 2015
A cut above
Technology for cutting automotive leather is advancing all the time. There are powerful
benefits to be gained from adopting the newest automated, computerised cutting systems, but,
as this article suggests, if tanners are to make investment in this new te
World Leather - Feb/Mar 2015
Notes from Tanning Tech 2010
Indications from both exhibitors and visitors at Tanning Tech
this year confirm a recovery of the global leather industry
from the miserable levels of 2009 but still clearly a long way
from pre-recessions conditions.
World Leather - Dec/Jan 2010
Deep shelf/slow speed processing vessels
Drums fitted with deep shelves and rotating at relatively
slow speeds for wet processing hides into leather were
first brought into use in the mid-1990s. Since that time
the technology has evolved, and they are now being used for
soaking, liming, tanning
World Leather - Dec/Jan 2010
Wet Staking Explained
This operation is carried out by means of a vibration staking machine employing specially designed pin and hole action, different from the more generally adopted pin to pin staking system.
World Leather - Jun/Jul 2010
Tanning Tech 2013
Ever more focus upon leather production engineering
World Leather - Dec/Jan 2013
More versatility in pre-finishing machinery
Bergi, in particular, well established over a period of nearly fifty years in the development and manufacture of buffing, setting, dedusting and polishing machinery and then for its rollcoaters and rotary presses, is building new features into such equipm
World Leather - Apr/May 2014
More versatility in pre-finishing machinery
Bergi, in particular, well established over a period of nearly fifty years in the development and manufacture of buffing, setting, dedusting and polishing machinery and then for its rollcoaters and rotary presses, is building new features into such equipm
World Leather - Apr/May 2014
Straight line reciprocating spray head machine reborn
New well-designed straight-line spraying offers advantages over the rotary systems. The French tannery machine builder Turner (also known as Mercier Turner) has seen a place for it in the leather finishing industry and has launched its modern version of s
World Leather - Feb/Mar 2014
Tanning Tech 2013
Ever more focus upon leather production engineering
World Leather - Dec/Jan 2013
Battle for a cutting edge continues
Laser-cutting technology providers Gerber Scientific and Lectra have both given detailed insights into their visions for the future. As both companies include car seat manufacturers and automotive tanneries who supply them among their customers, what thes
World Leather - June/July 2013
Italian machinery technology forges ahead on quality and innovation
It wasn’t that many years ago that serious concerns were being expressed about the future economic health of the
Italian tannery machine industry, and its ability to survive. Contrary to some expectations, the Italian industry quickly adapted to the new reality.
World Leather - Apr/May 2013
Drum milling comes of age
The evolution of the humble wooden dry drum gently tumbling leather to a sophisticated piece of machinery, using computer programming and control to produce determined leather characteristics, is yet another example of how far the development of tannery equipment engineering is taking the industry.
World Leather - Oct/Nov 2010
Drum milling comes of age
The evolution of the humble wooden dry drum gently tumbling leather to a sophisticated piece of machinery, using computer programming and control to produce determined leather characteristics, is yet another example of how far the development of tannery equipment engineering is taking the industry.
World Leather - Oct/Nov 2010
Clever computer control cuts energy waste
There is a disproportionate energy waste from leather finishing, which has prompted Italian finishing plant specialist Gemata to take a close look at the equipment involved, together with its operation.
World Leather - Feb/Mar 2010
Vacuum drying technology design and manufacture in Italy
Tannery machine development in Italy has been and largely still is located close to the country’s historic
leather manufacturing concentrations. One of the companies active in this field, Turato, has its roots in the Vicenza tannery cluster surrounded by some of the world’s most famous leather makers.
World Leather - Feb/Mar 2013
Wet-Wet
A new development in the process simplification employing the “WET-WET” system Gemata roller coater finishing lines
World Leather - June/July 2012
Roller coater wash-dryer
A mechanical device available optionally on new Gemata Topstar roller coating machines and which also lends itself to be retrofitted to such existing machines.
World Leather - June/July 2012
Roller coater wash-dryer
A mechanical device available optionally on new Gemata Topstar roller coating machines and which also lends itself to be retrofitted to such existing machines.
World Leather - June/July 2012
What happened to the buzz?
A round-up of the sentiment and innovations on display at Tanning-Tech 2011
World Leather - Feb/Mar 2012
What happened to the buzz?
A round-up of the sentiment and innovations on display at Tanning-Tech 2011
World Leather - Feb/Mar 2012
Innovation in the beamhouse
The conventional sulfide/lime system for unhairing and as part of the fibre-opening process has been in its existing form for approximately 150 years. However, appropriate treatment is required to avoid considerable pollution, and this is at the expense o
World Leather - Feb/Mar 2009
The manufacture and control of water-resistant leather
Many factors must be taken into account when manufacturing water-resistant leathers. Care must be taken to ensure that the achievements gained by careful materials procurement and leather manufacturing techniques are not diminished by inappropriate practi
World Leather - 04 - June/July 2008
Advances in the degreasing of hides
A new lipase degreasing product (1) is described that provides good degreasing when compared to the use of standard surfactants. It provides additional benefits such as improved grain tightness, better flatness, cleanliness of the hide, improved dyeing levelness, and has the potential to reduce fogging characteristics and improve hydrophobing. In addition, the replacement of surfactants by lipase offers significant ecological benefits within the degreasing process and in the subsequent treatment of wastewaters.
World Leather - 01 - Feb/Mar 2008
The manufacture and control of water-resistant leather
Many factors must be taken into account when manufacturing water-resistant leathers. This includes both the raw materials selection, and the processing to the finished state. Care must be taken to ensure that the achievements gained by careful materials procurement and leather manufacturing techniques are not diminished by inappropriate works practices.
World Leather - 01 - Feb/Mar 2008
A new aqueous transfer coating system for splits
Transfer coating of splits is a well-known and established
process in leather finishing. The physical properties and
the optical advantages are significant. At present the stateof-
the-art technology is solvent-based systems, applied either via
spraying technology or with rollers and doctor blades onto
silicone matrices. These matrices have to be made individually
and, because of the sensitivity, have to be handled and stored very carefully.
World Leather - 01 - Feb/Mar 2008
Laminating becomes more accessible
Italian tannery machinery manufacturer Bergi is focusing on the development and production of pre-finishing and finishing
equipment and has recently widened the scope of its rotary ironing and embossing machines.
Conventional perception of the leather laminating process is of complex, singlepurpose production lines needing large batch runs to justify their existence. Not so with the Transfer Kit recently developed by Bergi engineers.
World Leather - 01 - Feb/Mar 2008
Laminating becomes more accessible
Italian tannery machinery manufacturer Bergi is focusing on the development and production of pre-finishing and finishing
equipment and has recently widened the scope of its rotary ironing and embossing machines.
Conventional perception of the leather laminating process is of complex, singlepurpose production lines needing large batch runs to justify their existence. Not so with the Transfer Kit recently developed by Bergi engineers.
World Leather - 01 - Feb/Mar 2008
Improving the traditional vegetable tanning process
Vegetable tanned leathers are typical of the high-quality
leathers produced within the tanning district of Santa
Croce sull’Arno, Italy. This is the oldest and most classic
type of leather, combining the values of quality and tradition.
To safeguard and improve these traditional leathers, it is
recognised that the tanning industry not only needs to pay more
attention to the process, but also employ new technologies to
guarantee better production constancy.
World Leather - 01 - Feb/Mar 2008
Grain down splitting opens the way
The advent of the “upside down” grain down splitting machine developed several years ago by the Linta Company has made it possible to introduce new feeding and take off systems creating the splitting line. This, as well as the changed roller/knife mountin
World Leather - 03 - May 2008
The Machine Minder: Corrosion, the old enemy
Corrosion can eat into profits as well as concrete and steel — in fighting corrosion in the tannery, let the strategy be decided by those who will be involved in the trench warfare.
World Leather - 06 - Oct 2007
The Machine Minder: The case for in-house training of tannery engineers
A good tannery engineer needs a mix of three basic qualities — a wide ranging basic technical education, an ability to maintain good engineering standards in sometimes harsh and unpleasant working conditions, and an understanding of what leather production is all about. The best way to achieve this ideal mix is to train these engineers in the tannery itself.
World Leather - 05 - Aug/Sept 2007
Tanning Tech review 2007
After eighteen months of hibernation, Tanning Tech returned to the exhibition halls of Bologna this spring and, although visitor numbers may have been disappointing, there was still some interesting machinery on show.
World Leather - 03 - May 2007
The Machine Minder: The evolution of the throughfeed flesher
Of all the messy and unpleasant jobs in the tannery, fleshing is probably the worst. Fleshing is a 'Cinderella' job and this is perhaps why today's modern throughfeed fleshing machines have had such a long gestation, while technological advance in areas s
World Leather - 01 - Feb/Mar 2007
The Machine Minder: “Has anyone seen the splitting crew?”
As more and more leather manufacturing capacity moves to
the world’s cheap labour economies, tanners and
machinery manufacturers in the developed countries have
to explore every possibility to increase their productivity in order to stay ahead of the game. A promising possibility is being pioneered by Italian splitter manufacturers Linta, in feeding its ‘Diamond’ whole hide splitter directly from a through feed.
samm/setting machine without the requirement for any
operators at the splitter infeed.
World Leather - Dec/Jan 2006
Innovation in leather manufacture - the engineer’s contribution
It sometimes seems to the tannery engineer that his principal contribution to leather manufacture is to take the blame when things go horribly wrong. But the engineer can contribute an idea that radically changes the way leather is produced, or opens up a
World Leather - Nov 2006
The Machine Minder: Vallero International - Drumming up business around the world
Vallero International can trace the foundation of the family business back to 1847. But although having over 150 years of experience in the working of wood is a priceless asset, the company knows it cannot rest on its laurels and has now developed a range of stainless steel processing vessels to complement its wooden drums.
World Leather - June/July 2006
Back to Basics: A framework for leather manufacture. Essay 13
Samming and setting in throughfeed. Both water removal (samming) and setting of leather by classic multi-roller machinery is labour intensive and this has been the driving force in the development of throughfeed equipment.
World Leather - May 2006
Back to Basics: A framework for leather manufacture. Essay 13
Samming and setting in throughfeed. Both water removal (samming) and setting of leather by classic multi-roller machinery is labour intensive and this has been the driving force in the development of throughfeed equipment.
World Leather - May 2006
The Machine Minder: Recycling containers
Leather production requires a broad range of liquid chemicals — tanning and bating compounds, fatliquors, a whole host of specialised finishing compounds, both solvent and waterbased. Management’s main concern is to make sure that stocks are ordered and d
World Leather - Feb/Mar 2006
Automated handling in the finishing area
The finishing area has always seen the greatest requirement
for labour in the tannery. The rising cost of labour in developed countries, and the increasing difficulty of finding workers prepared to do monotonous, repetitive manual work, have been the impetus for many years to seek automated handling solutions. Mechanical stackers have been around in primitive forms over twenty years, but how have they advanced?
World Leather - Aug/Sep 2005
Automated handling in the finishing area
The finishing area has always seen the greatest requirement
for labour in the tannery. The rising cost of labour in developed countries, and the increasing difficulty of finding workers prepared to do monotonous, repetitive manual work, have been the impetus for many years to seek automated handling solutions. Mechanical stackers have been around in primitive forms over twenty years, but how have they advanced?
World Leather - Aug/Sep 2005
The recycling of limed fleshings
The handling and any recovery of products contained in limed fleshings in the tannery has long been a serious expense. Moving this material for eventual dumping incurs labour costs, even when the specialised equipment is employed.
World Leather - Dec/Jan 2004
The V-Fold belt filter press
The V-Fold filter was developed in Australia to dewater slurries and sludges generated during wastewater treatment so they can beremoved at lower cost, and in some cases used in compost. Its simple design and forgiving nature means little operator input i
World Leather - Nov 2003
