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GB1579795A - Continuous pressing and decatizing of fabric material - Google Patents

Continuous pressing and decatizing of fabric material Download PDF

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Publication number
GB1579795A
GB1579795A GB50856/77A GB5085677A GB1579795A GB 1579795 A GB1579795 A GB 1579795A GB 50856/77 A GB50856/77 A GB 50856/77A GB 5085677 A GB5085677 A GB 5085677A GB 1579795 A GB1579795 A GB 1579795A
Authority
GB
United Kingdom
Prior art keywords
cylinder
fabric
belt
temperature
heating means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB50856/77A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Drabert Soehne GmbH and Co
Original Assignee
Drabert Soehne GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Drabert Soehne GmbH and Co filed Critical Drabert Soehne GmbH and Co
Publication of GB1579795A publication Critical patent/GB1579795A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00Heating or cooling textile fabrics
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C15/00Calendering, pressing, ironing, glossing or glazing textile fabrics
    • D06C15/06Calendering, pressing, ironing, glossing or glazing textile fabrics between rollers and co-operating moving surfaces formed of flexible material, e.g. bands
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C2700/00Finishing or decoration of textile materials, except for bleaching, dyeing, printing, mercerising, washing or fulling
    • D06C2700/13Steaming or decatising of fabrics or yarns

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Description

(54) IMPROVEMENTS IN OR RELATING TO CONTINUOUS PRESSING AND DECATIZING OF FABRIC MATERIAL (71) We, FIRMADRABERTSoHNE, a Germany body corporate of 11 to 17 Wilhelmstrabe, 4950 Minden, Federal Republic of Germany, do hereby declare the invention, for which we pray that a patent may be granted to us, and the method by which it is to be performed, to be particularly described in and by the following state ment :- This invention relates to apparatus for the continuous pressing and decatizing of cloth, woven and knitted fabrics, and like material, hereinafter referred to as fabric material.
British Patent Specification No. 1,467,119 discloses a system for decatizing fabric comprising a rotatably mounted heatable cylinder, an inner backing cloth which, prior to passing around the heatable cylinder is led over a moisturing device, and an outer pressure belt which presses the backing cloth into direct contact with the cylinder. The fabric to be treated is passed between the cylinder and the inner backing cloth, and the outer pressure belt is under high tensile stress.
This previously proposed system is advantageous over previously known cylinder presses in that the pressing treatment occurs without stretching giving rise to a considerably improved sewability. The endless backing cloth is, for example, made of satin and circulates without slipping with the pressure belt. The backing cloth serves two purposes; on the one hand, the very smooth and even surface of the satin backing cloth prevents the relatively coarse surface of the pressure belt from being impressed on the surface of the fabric being treated, and on the other hand, the backing cloth serves the purpose of expansionless conveying of the fabric through the moisturizing device and around the cylinder.
However, the insertion of the backing cloth between the fabric and the pressure belt raises a number of problems which may only be overcome with difficulty. For example, quite appreciable wear of the backing cloth occurs due to the continuous alternation between the steaming action and the intensive pressing action under high specific contact pressure and at temperatures of between 100"C and 160"C. The additional costs incurred as a consequence of this wear renders the profitability of the whole process doubtful.These additional costs are made up by the replacement cost of the endless backing cloth and the costs of changing this endless backing cloth, the latter costs being fairly high inasmuch as the guide and tensioning rollers around which the backing cloth passes are comparatively heavy rollers and must be disassembled to replace the worn backing cloth. Production is obviously stopped during this period, so that further costs are incurred due to loss of production.
Another disadvantage of the backing cloth is that the finish on the fabric being treated differs very greatly between a new and a worn backing cloth, so that a change in the quality of fabric finish can be observed over the life of a backing cloth. Furthermore, the backing cloth prevents direct thermal contact between the pressure belt and the fabric and since the backing cloth has an insulating action this reduces the fabric temperature which can be achieved.
According to the invention, there is provided apparatus for the continuous pressing and decatizing of fabric matenal, the apparatus comprising a rotatably-mounted, heatable cylinder having a smooth surface, controllable first heating means arranged to heat said cylinder, a pressure belt in direct contact with material undergoing treatment to press said material into direct contact with the smooth surface of the cylinder, rollers for circulating the pressure belt, said rollers including a roller arranged upstream of the cylinder in the direction of belt circulation, second heating means arranged to heat the said upstream roller whereby to heat the pressure belt prior to passage around the heatable cylinder, control means for controlling the temperature of the second heating means independently of the first heating means whereby an adjustable differential is set up across the material as it is pressed between the smooth surface of the cylinder and pressure belt, and a moisturizing device arranged upstream of the said cylinder to moisturize material prior to passage around the cylinder.
By setting up a temperature differential across the fabric as it is taken between the cylinder and pressure belt, condensation can be preferentially induced towards one side of the fabric and this damper side of the fabric is found to have reduced surface luster.
Apparatus embodying the invention and for pressing and decatizing cloth and fabric, will now be particularly described, by way of example, with reference to the accompanying diagrammatic drawings, in which: Figure 1 is a part sectional view of the apparatus including a first form of humidifying device; Figure 2 and 2a are vertical cross-sections through second and third forms respectively of humidifying device for use with the apparatus; Figure 3 is a section through part of a heatable cylinder of the apparatus showing a fabric under treatment being pressed against the cylinder by a pressure belt, the surface temperature of the cylinder being greater than that of the pressure belt; and Figure 4 is a section similar to Figure 3 for the condition wherein the surface temperature of the heatable cylinder is lower than that of the pressure belt.
As shown in Figure 1, a fabric 1 undergoing treatment is pressed directly against the surface of a heatable cylinder 3 by means of a pressure belt 2. The surface of the cylinder 3 is highly polished and unscored.
The pressure belt 2 comprises a highstrength carrier element with a coating on both sides having a particularly homogeneous, smooth and heatproof surface. The thickness of the coating is substantially greater on the fabric side of the belt.
The pressure belt 2 is passed around rollers 4, 5 and 6, the roller 4 serving as a driving roller and the roller 6 serving as a tensioning roller for the pressure belt 2. The roller 5 is heated and serves as a heating roller for heating the pressure belt 2 to a desired temperature for passage around the cylinder 3.
The rollers 5 and 6 and the heatable cylinder 3 are allowed to revolve freely about their axes. A belt control roller 7 is provided to align the pressure belt 2 and ensure that it always circulates centrally.
Prior to undergoing pressing around the cylinder 3, the fabric 1 is subjected to a moisturizing operation on a conveyor belt 8, below which are situated several steam chests 9, 9a which in the form of moisturizing device shown in Figure 1 blow steam out upwards.
A suction hood 10 is situated above the conveyor belt 8 and communicates with a fan which draws off the steam vapours released.
A feed roller 15 conveys the fabric 1 to the conveyor belt 8. The belt 8 is driven by a drive roller 14 which revolves at an automatically controlled peripheral speed V,. Control of the rotational speed of the roller 14 is effected using a non-contact sensor incorporating a photocell or an air reflex nozzle 13 arranged to sense the position of a loop of the fabric 1.
Figure 2 and 2a show modified forms of the moisturizing device.
In the form of device shown in Figure 2, the fabric is taken by the conveyor belt 8 around a loop lying within a steaming chamber 11. Steam is supplied to the inside of the loop through perforations provided on both sides of a steaming chest 12. The air nozzle 13 monitors the position of the bottom of the fabric loop to control automatic re-adjustment of the peripheral speed of the take-off roller 14 with respect to the feed roller 15.
In the form of the moisturizing device shown in Figure 2a the fabric is taken by the belt 8 around a steaming cylinder 16 which also serves to convey the fabric. The steaming cylinder 16 thus performs the task of the roller 14 shown in Figure 1 and 2 and feeds the fabric forward at a speed V,.
Using the described forms of moisturing device the fabric 1 can be conveyed through the moisturizing device to be moistened without being stretched (indeed, some shrinkage may occur).
Returning to Figure 1, the moisturizing device is followed by a feed roller 18 driven at a peripheral speed v2. The speed of the roller 18 is controlled automatically by a system arranged to control a variable speed transmission of the roller 18 in dependence on signals received from a non-contact fabric sensor 17 positioned immediately downstream of the roller 14 (or, for the Figure 2a device, downstream of the cylinder 16).
The pressure belt drive roller 4 revolves at a peripheral speed v3 and determines the speed of the pressure belt 2 as well as the actual speed of traversal of the fabric 1 through the pressing means formed by the cylinder 3 and pressure belt 2.
Atter the fabric I has lett tne pressing means, it is moved by a controllably driven fabric take-off roller 20 over a freely rotatable guide roller 19 and fed to a cuttling machine 21. A sensor 22 monitors the fabric 1 to effect automatic re-adjustment of the peripheral speed v4 of the fabric take-off roller 20.
The temperature of the roller 5 is controllable independently of the temperature of the cylinder 3 to enable the surface temperature of the pressure belt 2 to be set as desired relative to the surface temperature of the heatable cylinder 3.
The cylinder 3 and the roller 5 are heated by respective steam heating means, the stem (or other suitable heat carrier) being supplied to these heating means at rates controlled by respective steam volume governors 27 and 27a. The governors 27 and 27a are in turn controlled by respective temperature regulators 26 and 26a which are connected via amplifiers 25 and 25a to respective temperature sensors 24 and 23. The sensor 24 is arranged to measure the surface temperature of the cylinder 3 whereas the sensor 23 is arranged to measure the surface temperature of the belt 2 adjacent the cylinder 3.
In operation of the apparatus, the fabric is conveyed through the moisturizing device by the conveyor belt 8 and is then taken around the cylinder 3 by the moving belt 2 which serves to directly press the fabric 1 against the surface of the cylinder 3.
Under the pressure and temperature experienced by the fabric between the cylinder 3 and belt 2, moisture introduced into the fabric 1 in the moisturizing device is vapourised giving rise to a press steaming and shrinking caused by the application of a high contact pressure over a relatively great area of the fabric The feel of fabric treated in this manner is comparable to the results of a conventional span or profile pressing plant. The great advantage of the present apparatus is that this result may now be obtained in a continuous operation.
By suitable setting of the temperatures of the cylinder 3 and the roller 2, a temperature difference can be set up across the fabric 1 as it is taken around the cylinder 3 by the belt 2.
If, for example, the surface temperature of the cylinder 3 is selected to be 140"C and higher than the surface temperature of the pressure belt 2, (at, for example, 90-95 C) condensation will preferentially occur on the side of the fabric f towards the pressure belt 2 under the specific contact pressure during the vapourisation of the moisture introduced into the fabric (see Figure 3). The amount of moisture at the left-hand side of the fabric (underside) results in a lesser glazing action as compared to the right-hand side of the fabric which is pressed against the hotter cylinder 3.If, on the other hand, the surface temperature of the pressure belt is raised to 13 C or 140 C and the temperature of the cylinder is lowered to approximately 85 to 100 C, a reversed effect results (see Figure 4).
The action of luster reduction under full pressing effect is useful in practice since higher contact pressures may be applied during pressing, without stretching or the socalled "greasy luster" becoming excessive.
(It will be recalled that higher pressing thrusts tend to smooth and compact the fibrous structure of the fabric). The greater proportion of the press shine produced is transient and disappears during finish pressing.
In the previously proposed cylinder cylinder press system, me magnitude of the pressure which could be applied was not only limited by the need to avoid excessive luster but also by the fact that slip creases occurred suddenly in the fabric due to relative displacement between the stationary shell and the revolving press cylinder.
WHAT WE CLAIM IS: 1. Apparatus for the continuous pressing and decatizing of fabric material, the apparatus comprising a rotatably-mounted, heatable cylinder having a smooth surface, controllable first heating means arranged to heat said cylinder, a pressure belt in direct contact with material undergoing treatment to press said material into direct contact with the smooth surface of the cylinder, rollers for circulating the pressure belt, said rollers including a roller arranged upstream of the cylinder in the direction of belt circulation, second heating means arranged to heat the said upstream roller whereby to heat the pressure belt prior to passage around the heatable cylinder, control means for controlling the temperature of the second heating means independently of the first heating means whereby an adjustable temperature differential is set up across the material as it is pressed between the smooth surface of the cylinder and pressure belt, and a moisturizing device arranged upstream of the said cylinder to moisturize material prior to passage around the cylinder.
2. Apparatus according to claim 2, in which the first and second heating means are steam heating means, each provided with a respective steam volume regulator, the steam regulator associated with the first heating means being controlled by a temperature regulator connected to a temperature sensor arranged to measure the surface temperature of the cylinder, and the steam regulator associated with the second heating means being controlled by a temperature regulator connected with a temperature sensor arranged to measure the surface temperature of the belt in the region of the cylinder.
3. Apparatus according to claim 1 or claim 2 in which the moisturizing device has one or more steam boxes through which the material is moved.
4. Apparatus according to claim 1 or claim 2, in which the moisturizing device has a steam cylinder through which the material is moved.
5. Apparatus according to any preceding
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (10)

**WARNING** start of CLMS field may overlap end of DESC **. The temperature of the roller 5 is controllable independently of the temperature of the cylinder 3 to enable the surface temperature of the pressure belt 2 to be set as desired relative to the surface temperature of the heatable cylinder 3. The cylinder 3 and the roller 5 are heated by respective steam heating means, the stem (or other suitable heat carrier) being supplied to these heating means at rates controlled by respective steam volume governors 27 and 27a. The governors 27 and 27a are in turn controlled by respective temperature regulators 26 and 26a which are connected via amplifiers 25 and 25a to respective temperature sensors 24 and 23. The sensor 24 is arranged to measure the surface temperature of the cylinder 3 whereas the sensor 23 is arranged to measure the surface temperature of the belt 2 adjacent the cylinder 3. In operation of the apparatus, the fabric is conveyed through the moisturizing device by the conveyor belt 8 and is then taken around the cylinder 3 by the moving belt 2 which serves to directly press the fabric 1 against the surface of the cylinder 3. Under the pressure and temperature experienced by the fabric between the cylinder 3 and belt 2, moisture introduced into the fabric 1 in the moisturizing device is vapourised giving rise to a press steaming and shrinking caused by the application of a high contact pressure over a relatively great area of the fabric The feel of fabric treated in this manner is comparable to the results of a conventional span or profile pressing plant. The great advantage of the present apparatus is that this result may now be obtained in a continuous operation. By suitable setting of the temperatures of the cylinder 3 and the roller 2, a temperature difference can be set up across the fabric 1 as it is taken around the cylinder 3 by the belt 2. If, for example, the surface temperature of the cylinder 3 is selected to be 140"C and higher than the surface temperature of the pressure belt 2, (at, for example, 90-95 C) condensation will preferentially occur on the side of the fabric f towards the pressure belt 2 under the specific contact pressure during the vapourisation of the moisture introduced into the fabric (see Figure 3). The amount of moisture at the left-hand side of the fabric (underside) results in a lesser glazing action as compared to the right-hand side of the fabric which is pressed against the hotter cylinder 3.If, on the other hand, the surface temperature of the pressure belt is raised to 13 C or 140 C and the temperature of the cylinder is lowered to approximately 85 to 100 C, a reversed effect results (see Figure 4). The action of luster reduction under full pressing effect is useful in practice since higher contact pressures may be applied during pressing, without stretching or the socalled "greasy luster" becoming excessive. (It will be recalled that higher pressing thrusts tend to smooth and compact the fibrous structure of the fabric). The greater proportion of the press shine produced is transient and disappears during finish pressing. In the previously proposed cylinder cylinder press system, me magnitude of the pressure which could be applied was not only limited by the need to avoid excessive luster but also by the fact that slip creases occurred suddenly in the fabric due to relative displacement between the stationary shell and the revolving press cylinder. WHAT WE CLAIM IS:
1. Apparatus for the continuous pressing and decatizing of fabric material, the apparatus comprising a rotatably-mounted, heatable cylinder having a smooth surface, controllable first heating means arranged to heat said cylinder, a pressure belt in direct contact with material undergoing treatment to press said material into direct contact with the smooth surface of the cylinder, rollers for circulating the pressure belt, said rollers including a roller arranged upstream of the cylinder in the direction of belt circulation, second heating means arranged to heat the said upstream roller whereby to heat the pressure belt prior to passage around the heatable cylinder, control means for controlling the temperature of the second heating means independently of the first heating means whereby an adjustable temperature differential is set up across the material as it is pressed between the smooth surface of the cylinder and pressure belt, and a moisturizing device arranged upstream of the said cylinder to moisturize material prior to passage around the cylinder.
2. Apparatus according to claim 2, in which the first and second heating means are steam heating means, each provided with a respective steam volume regulator, the steam regulator associated with the first heating means being controlled by a temperature regulator connected to a temperature sensor arranged to measure the surface temperature of the cylinder, and the steam regulator associated with the second heating means being controlled by a temperature regulator connected with a temperature sensor arranged to measure the surface temperature of the belt in the region of the cylinder.
3. Apparatus according to claim 1 or claim 2 in which the moisturizing device has one or more steam boxes through which the material is moved.
4. Apparatus according to claim 1 or claim 2, in which the moisturizing device has a steam cylinder through which the material is moved.
5. Apparatus according to any preceding
claim, including carrying rollers for moving the material through the moisturizing device, the rollers being arranged to be driven at independently settable speeds.
6. Apparatus according to claim 5, including non-contact sensors arranged to control said carrying rollers in dependence on the speed of the material.
7. Apparatus according to any preceding claim, including a conveyor belt for carrying the said material through the humidifying device.
8. Apparatus according to any preceding claim, in which the roller of said pressure belt circulating rollers arranged downstream of said cylinder in the direction of belt circulation, constitutes a belt drive roller.
9. Apparatus according to any preceding claim, in which one said pressure belt circulating rollers serves as a tensioning device for the belt.
10. Apparatus substantially as hereinbefore described with reference to the accompanying drawings.
GB50856/77A 1977-06-18 1977-12-07 Continuous pressing and decatizing of fabric material Expired GB1579795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2727514A DE2727514C2 (en) 1977-06-18 1977-06-18 Device for the continuous pressing and decatizing of web-shaped textile goods such as woven fabrics, knitted fabrics or the like.

Publications (1)

Publication Number Publication Date
GB1579795A true GB1579795A (en) 1980-11-26

Family

ID=6011815

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50856/77A Expired GB1579795A (en) 1977-06-18 1977-12-07 Continuous pressing and decatizing of fabric material

Country Status (4)

Country Link
JP (1) JPS546985A (en)
DE (1) DE2727514C2 (en)
GB (1) GB1579795A (en)
IT (1) IT1102878B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2206904A (en) * 1987-07-11 1989-01-18 Menschner Maschf Johannes Decatizing method and apparatus
GB2210910A (en) * 1987-10-08 1989-06-21 Satch Engineering Consultants Fabric treatment machine
WO2008104768A1 (en) * 2007-02-27 2008-09-04 Pro-Fit International Limited An apparatus and method for transporting a fabric
CN112095266A (en) * 2019-06-17 2020-12-18 桑提克斯里玛集团有限公司 Device for compacting a continuous textile substrate by means of an elastic belt

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412982C2 (en) * 1984-04-06 1986-04-17 Johannes Menschner Maschinenfabrik Gmbh & Co Kg, 4060 Viersen Method and device for the continuous dehumidification, drying, stabilization and other thermal treatments of web-shaped goods, e.g. woven or knitted fabrics made of wool, wool blends, cotton, cotton blends, nonwovens and the like.
DE3539792A1 (en) * 1985-11-09 1987-05-21 Menschner Maschf Johannes METHOD FOR CONTINUOUSLY PERMANENTLY DETECTING AND FIXING WOOL AND WOOL BLENDING FABRICS, KNITTED OR THE LIKE
DE3630716A1 (en) * 1986-09-10 1988-03-24 Menschner Maschf Johannes METHOD FOR THE CONTINUOUS TREATMENT OF FABRICS, KNITTED MATTERS AND THE LIKE
DE3834573A1 (en) * 1987-10-12 1989-04-20 Monforts Gmbh & Co A Finishing and shrinkage apparatus
DE4326426C1 (en) * 1993-08-06 1995-04-06 M Tec Maschbau Gmbh Device for the continuous pressing, decating and fixing of web-like textile material such as woven, knitted or the like
ITMI20020173A1 (en) 2002-01-31 2003-07-31 Biella Shrunk Process S A S Di DECATISSING EQUIPMENT

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE573623C (en) * 1932-01-05 1933-04-03 Joseph Monforts Felt calender continuous decating machine
DE1959114U (en) * 1967-01-23 1967-04-27 Monforts Fa A HEAT TREATMENT MACHINE FOR TEXTILE RAILS.
DE7440068U (en) * 1974-12-02 1980-01-17 Drabert Soehne, 4950 Minden DEVICE FOR CONTINUOUSLY DETECTING FABRICS, KNITTED OR THE LIKE.

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2206904A (en) * 1987-07-11 1989-01-18 Menschner Maschf Johannes Decatizing method and apparatus
GB2206904B (en) * 1987-07-11 1991-03-27 Menschner Maschf Johannes Decatizing method and apparatus
GB2210910A (en) * 1987-10-08 1989-06-21 Satch Engineering Consultants Fabric treatment machine
GB2210910B (en) * 1987-10-08 1991-10-09 Satch Engineering Consultants Fabric treatment machine
WO2008104768A1 (en) * 2007-02-27 2008-09-04 Pro-Fit International Limited An apparatus and method for transporting a fabric
GB2463167A (en) * 2007-02-27 2010-03-10 Pro Fit Int Ltd An apparatus and method for transporting a fabric
US8544156B2 (en) 2007-02-27 2013-10-01 Talon Technologies, Inc. Apparatus and method for transporting a fabric
US9290349B2 (en) 2007-02-27 2016-03-22 Talon Technologies, Inc. Apparatus and method for transporting a fabric
CN112095266A (en) * 2019-06-17 2020-12-18 桑提克斯里玛集团有限公司 Device for compacting a continuous textile substrate by means of an elastic belt

Also Published As

Publication number Publication date
JPS546985A (en) 1979-01-19
IT1102878B (en) 1985-10-07
DE2727514A1 (en) 1978-12-21
DE2727514C2 (en) 1982-10-14

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951207