דף הבית >> עולם היין - אוסטריה! >> חדשות ויינות >> Vino-Lok, האם העתיד כבר כאן?
 

אפריל 2007

חג הפסח התאפיין בעצלנות מחשבתית מסוימת, כנראה העירבוב בין המצות ללחם.
על כל פנים, הנה מאמר שנכתב על ידי מר Joachim Binz, שארח אותי ביקב המרשים
Schloss Vollrads.
המאמר מרתק כיוון שהוא מציג לפנינו שיטת סגירה חדשה יחסית. פקקי הסיליקון כנראה
אינם הפתרון האידיאלי, ופקקי ההברגה מתגלים כלא בטוחים ב-100%, כיוון שסיבוב קל
נגד כיוון הפתיחה עלול ליצור בהם פתח שיספיק כדי לחמצן את היין.
הפקקים הללו - זכוכית עם אטימת סיליקון, כמו בצנצנות הרפואיות שאנו מכירים, נותן פיתרון
שלישי, ונראה כי הוא אופטימלי יותר. העלויות לא בשמיים - אם איני טועה סביב 25 סנט ליחידה
(לעומת 9 לפקקי שעם פשוטים ביותר). הבעייה - יצרן הבקבוקים חייב להתאים את עצמו
לסטנדרטים גבוהים מאוד של דיוק.

אוקיי, הנה חלק מהמאמר, שווה עיון גם למי שלא בתעשיה. המאמר השלם נמצא בקישור
http://www.wineconsale.com/Level1/Downloads/Files/VINO%20LOK.pdf

BASICS
The wine industry has been looking for years for alternatives to natural cork stoppers, which would  do justice both quality expectations and to the aesthetics of wine. Vino-Lok represents a decisive  technical step forward in the field of packaging technology for wines. The various methods for
closing wine bottles which were available up till now have been extended by the additional of an  alternative which provides a tight, gas-proof seal and which has no effect on taste at all. Another  advantage is that the Vino-Lok glass stopper can be reprocessed for reuse through the glass
recycling methods. The better gas sealing which glass provides has an important influence on the  quality of the wine; it prevents uncontrolled oxidation and also avoids leakages through the stopper.  The Vino-Lok system consists of an appealing glass stopper with a special seal and an aluminium  cover cap. This aluminium cap covers and protects the glass stopper and also acts as a seal of  authenticity. A shrink capsule can be used in addition to this.  The Vino-Lok can be opened without the need for any additional aid: Simply remove the shrink  capsule, twist off the aluminium cap and the Vino-Lok can be clicked off easily using one hand:
“click instead of plop”.  Taking all these points into consideration, we believe that the glass stopper gives a great sense of  value to both final consumers and the gastronomy.  Vino-Lok is produced by “ALCOA Closure Systems International”, a branch of Alcoa Inc., USA,  which produces and distributes more than 50 billion plastic and aluminium screw caps around the
world. In 2004 ALCOA has started investments into their German production plant for the  manufacturing of alternative stoppers for wine. From January 2005, Vino-Lok will be available in  larger units to meet the extraordinary demand of a great number of wine producers in various  countries including Europe and the US.  TECHNIQUES  A copy of a third-party expert opinion is available, which testifies that Vino-Lok, following to the  latest available data information of science and techniques is a secure, consumer- and environmentfriendly,  hygienic seal for wine. Here are the technical data made available by Alcoa CSI Europe:

FAQ’S
There are of course a number of questions raised from us against Alcoa, and we summarize here the  most pressing ones:
How does the wine mature, compared to cork/plastic/stelvin?
First test bottling has been made back in July 2003. The initial results attest the Vino-Lok closure
overall best results. However, long-period test results are obviously not yet available.
Is there any reaction with wine and the PVC-seal?
The material for the seal is in use for more than 25 years, and standard with screw-caps/Stelvin
closures. Also, you shall consider that with the Vino-Lok system only a fraction of the seal
compared to screw-cap/Stelvin is in direct contact with the wine.
Any problems to open the bottle?
Handling is very easy, no special opener necessary. Additional neck-hangers for off-trade will be
available. For on-trade instruction leaflet will be attached to each case.
Effects with increased inside-pressure?
This can basically just occur if wine is bottled with a higher amount of CO2 and in the unlikely case
of an (unwanted) second fermentation. The glass-stopper is proofed to hold inside-pressure up to 4
bar (with undamaged aluminium cap), which is much higher than a standard cork/plastic stopper
could hold.
Problems with temperature swings during transport?
Same care should be taken as with shipments of standard closures. Beyond this, no special
treatment necessary.
How about sterility of closure during filling process?
The glass-stopper can be sterilized with up to 2% watery SO2. See also sterilization of bottles in
general.
Are special bottles required for Vino-Lok?
Yes, in order to have a popper fitting of the glass stopper to the bottle, the tolerances of the inside
diameter of the bottles neck have to be much lesser than for a usual bottle. In addition the bottles
neck has to have a special lip to allow the aluminium cap to be twisted off with no problem.
Currently there are two bottle shapes available. For the Rheingau there is an adaptation of the
special “Rheingau flute” bottle in process.
Any countries were the usage of glass-stoppers is prohibited?
No, we have no information that glass-stoppers shall not be allowed as a closure in any of the
countries.
REALISATION
We are excitingly looking forward to start exporting wine with the new Vino-Lok system. And the
start will be done with the 2004 vintage of Schloss Vollrads, who are planning to have approx. 50%
of the bottling under glass. In addition we are planning to (re)launch our “Rheingau Riesling
Vision” project wine with glass-stoppers too.
In order to be prepared for the new closure, Schloss Vollrads has already done a first test bottling
which took place at the beginning of 2004, and is now ready for a new test bottling, using the
before mentioned adaptation of the unique “Rheingau flute” bottle.
These additional bottling for two (2003 vintage) wines will take place w/c 13th December 2004 at
Schloss Vollrads. In order to test with different categories of the trade, a price-entry level wine
(Schloss Vollrads Riesling Qualitätswein trocken) as well as a “high class” wine (Schloss Vollrads
Riesling “premier cru” – 1. Gewächs) will be available by mid December 2004.
As most of the 2003 vintage is already sold out, the bottling of the 2004 vintage will already start in
early spring 2005.
All our customers will receive a sample of the December bottling to make up their mind if they
wish to proceed on with the new generation of glass-stoppers. Obviously we will discuss the further
procedure in your country individually with each client.


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