EP0874930B1 - Webschaft für eine webmaschine - Google Patents
Webschaft für eine webmaschine Download PDFInfo
- Publication number
- EP0874930B1 EP0874930B1 EP97901536A EP97901536A EP0874930B1 EP 0874930 B1 EP0874930 B1 EP 0874930B1 EP 97901536 A EP97901536 A EP 97901536A EP 97901536 A EP97901536 A EP 97901536A EP 0874930 B1 EP0874930 B1 EP 0874930B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heald frame
- strands
- insert
- rail
- profile rail
- 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 - Lifetime
Links
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims 1
- 238000009941 weaving Methods 0.000 description 8
- 230000035939 shock Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C9/00—Healds; Heald frames
- D03C9/06—Heald frames
- D03C9/0608—Construction of frame parts
- D03C9/0616—Horizontal upper or lower rods
- D03C9/0633—Heald bars or their connection to other frame parts
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
- D03C9/00—Healds; Heald frames
- D03C9/06—Heald frames
- D03C9/0691—Arrangements of means for damping or noise reduction
Definitions
- the invention relates to a heald frame for a loom, the one with an upper and a lower profile rail for holding is provided by strands, which means in the region of their ends provided eyelets are held on the profile rails.
- heald frames of the type mentioned at the beginning form a so-called Shaft device.
- the individual heald frames of these Shank devices are alternately using a dobby according to predefinable patterns, raised and lowered to to form weaving fans from the warp threads guided by the strands, in which a weft thread is entered.
- the profile rails and the eyelets of the strands are designed that in one direction of movement of the heald frame one of the Profile rails with a driving surface on a counter surface the loop of the strands attaches and takes these strands with them. In the in the other direction of movement, the other rail takes along a driving surface a counter surface of the assigned Eyelets of the strands with.
- the strands and the heald frame expand under the influence of heat and since both certain Show manufacturing tolerances and also the strands must be slidable along the rails, for example to insert or repair the warp threads to allow is a game of the order for the strands from 2 mm to 3 mm between the driving surface of the one profile rail and the driving surface of the other profile rail intended.
- the heald frame When the heald frame is in the raised position the strands or their eyelets are in contact with the driving surface the upper profile rail. Then the heald frame moved downward, the strands loosen under the influence of Tension of the warp threads and the inertial forces to a certain Moment from the driving surface of the upper profile rail and then come with the driving area of the lower one Profile rail in contact. Resolve in a corresponding manner the strands in one with the upward movement of the heald frame certain moment from the driving surface of the lower profile rail and then come into contact with the driving surface the upper profile rail.
- the invention has for its object a heald frame improve the type mentioned in such a way that the size the bumps that occur during weaving are reduced.
- This object is achieved in that one of the rails One or more deposits are assigned that are in the direction of movement of the heald frame the distance between driving surfaces this profile rail and counter surfaces of the eyelets Fill in the strands so far that between this profile rail and the associated eyelets of the strands in the direction of movement of the Web shaft there is a smaller game than between the other profile rail and those belonging to this profile rail Eyelets of the strands.
- the game is moving in the direction of movement the heald frame between one of the rails and the associated eyelets of the strands reduced so far, that this profile rail the strands both when lifting takes along when lowering the heald frames, i.e. in a similar way Way as in DE-U 94 13 705.6 serves as a drive rail.
- the other profile rail is only used to guide the strands.
- the game can be reduced significantly, for example to less than 1 mm.
- the shocks that occur become essential reduced in size.
- the insert or inserts are made of plastic. This makes it possible to further reduce the resulting noise reduce, with the deposit or deposits also one Damping at least in one of the directions of movement of the heald frame cause.
- the deposits on the Strands attached can, for example, in Kind of rider to be inserted into the eyelets of the strands.
- At least one is strip-shaped Deposit provided that is essentially over extends the entire length of the associated profile rail.
- a strip-shaped insert is easy to assemble. For example, after attaching the strands in the Eyelets of the strands are inserted.
- the Insert as a controllable supply of a printing medium expandable, tubular element is formed.
- the print medium expand hose-like element so that practically a Play between the strands and the one causing the carry Profile rail is excluded.
- the print media let out of the tube-like element so pulls this tubular element so far together that the strands can be easily moved on the profile rail can.
- the heald frame 1 shown schematically in FIG. 1 has two side struts 2, 3 connected by means of cross struts 4 and 5 are. At a predetermined distance is on each cross strut 4, 5 a profile rail 6, 7 by means of fastening parts 8 and Screws 9 attached (see also Fig. 10, 11). Between Profile rails 6 and 7 strands 10 are attached. On the side edges the profile rails 6 and 7 are detachable collar elements 11 provided that prevent the strands from the Profile rails 6, 7 can slide. The strands 10 have Thread eye 12 for guiding warp threads, not shown on.
- the construction is however, designed so that only the upper rail 6 the Strands 10 takes with them when the heald frame 1 moves up and down in the direction of arrow A, i.e. longitudinal the strands 10.
- the upper profile rail 6 has an upper driving surface 15 assigned to a counter surface of the eyelets 13 of the strands 10 is.
- the profile rail 6 also has a lower driving surface 16, which is also a counter surface of the eyelets 13 of the Strands 10 is assigned.
- a strip-shaped insert 35 is arranged, which Game determines what the strands 10 are relative to upper profile rail 6 during the up and down movements of the heald frame can move.
- the strip-shaped insert 35 the essentially over the entire length of the profile rail 6 extends, preferably consists of plastic, for example made of polyamide. By means of the strip-shaped insert 35 possible play limited to a value of 1 mm or less.
- the eyelets 13 opposite the profile rail 6 and also opposite the strip-shaped insert 35 have a lateral play, can the strands 10 easily on the rail 6 be moved.
- a game that is significantly larger than the game of the top Profile rail 6 and the strip 35 to the eyelets 13.
- Prefers is the game between the rail 7 and the Eyelet 14 in the direction of movement A of the heald frame (longitudinal direction the strands 10) at least double the game in the area the upper rail 6, which is also on the order of 0.5 mm or even smaller.
- the driving surface 15 bears the associated counter surface of the eyelets 13 of the strands 10.
- the Game exists between the lower driving surface 16 of the profile rail 6 and the bar 35, which is only loosely inserted, i.e. neither attached to the strands 10 nor to the profile rail 6 is.
- 3 is the lower one Driving surface 16 of the profile rail 6 on the strip-shaped Insert 35, which in turn on the counter surface of the eyelet 13th the strand 10 rests. The game is in this position between the upper driving surface 15 and the associated counter surface the eyelet 13.
- FIGS. 10 and 11 A further modified embodiment similar to FIGS. 2 and 3 is shown in Figs. 10 and 11, with the strands 10 open Have eyelets 18, 19.
- both between the upper driving surface 15 of the profile rail 6 as also between the lower driving surface 16 of the profile rail 6 and the counter surfaces of the eyelets 18 inserts 35, 35 '. 10 and 11 are also in the embodiment the strip-shaped inserts 35, 35 'loosely inserted.
- the strip-shaped Inserts 35 or 35 ' fastened to the profile rail 6, for example by gluing.
- the embodiment according to 10 and 11 can of course also be modified in this way be that the strip-shaped inserts 35, 35 'of the profile rail 7 are assigned, which then as a drive element serves that the up and down movement of the heald frame 1 Strands 10 takes, while then the profile rail 6 only as Serves as a guide element.
- the strands 10 provided with hook-shaped open eyelets 22, 23, each one aligned transversely to the direction of movement A of the heald frame Approach that in the longitudinal direction of the Profile rails 6, 7, groove-shaped recesses 24, 25 of the profile rails 6, 7 protrude.
- the lower rail 7 as a drive element trained for the strands and has one when lifting effective driving surface 30 and an effective when lowering Driving surface 29, the counter surfaces of the in the recess 24 projecting approach assigned to the eyelet 23 are.
- Between the driving surface 30 and the counter surface of the hook-shaped eyelet 23 is preferably also made Plastic existing insert 28 provided the possible Game limited in direction A, around which the strands 10 can move relative to the rail 7.
- Insert 28 is provided which is at least approximately on the extends the entire length of the profile rail 7 and inserted loosely is.
- the two rails 6, 7 are designed the same and arranged mirror-symmetrically. Because the in the groove 25 protruding approach of the hook-shaped eyelet 22 in this Embodiment has no function, can in the area this eyelet 22 can also be dispensed with this approach.
- the strip-shaped Insert 32 which is also preferably made of plastic, can in the position shown in Fig. 6 on the rail 6 attached, for example glued. In the In practice, however, it is sufficient to loose this strip-shaped insert 32 to introduce, i.e. neither with the profile rail 6 nor with the To connect strands 10.
- inserts 17 are arranged, so that this embodiment corresponds to the embodiment 2 and 3 works.
- the deposits are 17 in this embodiment, however, individual elements Plastic that is inserted into the eyelets 13 of the strands 10 and are attached to these.
- 14 and 15 is an embodiment of the invention shown, in which between a lower driving surface 16 of the profile rail 6 and a counter surface of the eyelet 13 the strands 10 have a tubular element arranged as an insert 36 is.
- This insert 36 can make contact with the lower driving surface 16 of the profile rail 6 and a direct Contact between the upper driving surface 15 and the Make eyelet 13.
- Arrow A none of the strands 10 in the area of the eyelets 14 Contact with the lower profile rail.
- a print medium is introduced so that this insert expands and thus a play-free connection between the profile rail 6 and the strands 10 produces.
- the insert 36 is with a controllable device 37, for example one Pump, connected, supplied and discharged by means of the pressure medium can be.
- the medium consists of, for example Water that is supplied or discharged by means of a pump 37.
- the device is controlled by means of a control unit 38.
- the insert 36 extends over the entire length of the Profile rail 6 so that it is safe with all strands works together (Fig. 16).
- the insert 36 is therefore at least as long as the area of the profile rail in which Strands 10 are arranged.
- compressed air is supplied to the insert 36 as a pressure medium.
- the device 37 would be a valve unit, which connect the insert 36 to a compressed air source can.
- the insert 36 forces the strands 10 in direct Contact with the upper driving surface 15 of the profile rail 6 while at the same time establishing contact between the lower driving surface 16 of the profile rail 6 and the strand 10 manufactures.
- the strands 10 are thus free of play on the profile rail 6 held so that no free movement of the strands 10 in its longitudinal direction A with respect to the profile rail 6 is possible. In this way, shocks, vibrations and Avoided noises.
- the device 37 is controlled by the control unit 38 controlled so that the tubular insert 36 is a pressure medium is fed so that the strands 10 in the in Fig. 15 position shown. Becomes a warp thread break detected and then the loom stopped, the device 37 is thus controlled by means of the control unit 38 controlled that the print medium escapes from the insert 36, so that the strands 10 are then shown in FIG. 14 Position.
- the control unit 38 controls the device 37 again so that the print medium again after a few seconds is introduced into the insert 36 so that the in Fig. 15 position shown is reached. This allows the Strands 10 after sliding along the profile rail 6 the position for a repair of a warp thread break that they had before the warp thread break before the Strands 10 again by means of the insert 36 with the profile rail 6 brought into contact without play.
- the control unit 38 contains means which are dependent on the Condition of the weaving machine, i.e. normal weaving, non-weaving after a warp thread break or the weaving process starts a warp thread break, control the device 37 such that Print medium of the insert 36 is supplied or not.
- the operating status the weaving machine is based on signals set for warp thread break or for starting the loom.
- the eyelets of the strands 10 in the direction of movement A of the heald frame no contact with the associated profile rail 6 or 7, only serve to prevent that the strands 10 in a direction perpendicular to the longitudinal direction A. move relative to the respective profile rail 6 or 7.
- the eyelets of the strands 10 in the direction of movement A of the heald frame with the driving surfaces of one of the profile rails 6 or 7 make contact, of course also to prevent the strands 10 in one Direction perpendicular to their longitudinal direction A with respect to the associated one Move profile rail 6 or 7.
- Whether the strands 10 from the upper rail 6 or the lower Profile rail 7 are driven depends on selectable binding. For weaves, where more Heald frames 1 are in the sub-compartment - for example one Twill weave, or a one-three weave or one two-three binding - the drive is by means of the lower profile rail 7 preferred. For weaves, where more Heald frames are in the upper compartment - for example with two-one ties, or three-one bonds or three-two bonds - is driven by means of the upper profile rail 6 preferred.
- the invention is not based on the illustrated embodiments limited. It is easily possible to have different Profile rails and / or different forms of Combine eyelets, for example hook-shaped Eyelets, open and closed eyelets.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Looms (AREA)
- Window Of Vehicle (AREA)
Description
- Fig.1
- zeigt in schematischer Darstellung eine Ansicht eines erfindungsgemäß ausgebildeten Webschaftes,
- Fig.2 und Fig. 3
- Teilschnitte entlang der Linie II-II der Fig. 1 in unterschiedlichen Antriebpositionen des Webschaftes,
- Fig. 4 bis Fig. 13
- jeweils paarweise dargestellte weitere Ausführungsbeispiele entlang Schnitten ähnlich der Linie II-II der Fig. 1,
- Fig. 14 und Fig. 15
- Schnitte ähnlich Fig. 2 und Fig. 3 durch ein Ausführungsbeispiel der Erfindung mit einer mittels eines Druckmediums aufweitbaren Einlage und
- Fig. 16
- eine Ansicht eines Webschaftes entsprechend dem Ausführungsbeispiel nach Fig. 14 und 15.
Claims (10)
- Webschaft (1) für eine Webmaschine, der mit einer oberen und einer unteren Profilschiene (6, 7) zum Halten von Litzen (10) versehen ist, die mittels im Bereich ihrer Enden vorgesehenen Ösen (13, 14; 18, 19; 22, 23; 22, 31) an den Profilschienen (6, 7) gehalten sind,
dadurch gekennzeichnet, daß
einer der Profilschienen (6 oder 7) eine oder mehrere Einlagen (35; 35, 35'; 28; 32; 33, 34; 17; 36) zugeordnet sind, die den Abstand zwischen Mitnahmeflächen dieser Profilschiene (6, 7) und Gegenflächen der Ösen der Litzen (10) so weit ausfüllen, daß zwischen dieser Profilschiene (6, 7) und den zugehörigen Ösen der Litzen (10) in Bewegungsrichtung A des Webschaftes (1) ein kleineres Spiel vorhanden ist als zwischen der anderen Profilschiene und den zu dieser anderen Profilschiene gehörenden Ösen der Litzen (10). - Webschaft nach Anspruch 1,
dadurch gekennzeichnet, daß
die Einlage oder Einlagen (35; 35, 35'; 28; 32; 33, 34; 17; 36) aus Kunststoff hergestellt sind. - Webschaft nach Anspruch 1,
dadurch gekennzeichnet, daß
die Einlagen (17, 28) an den Litzen (10) angebracht sind. - Webschaft nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
wenigstens eine leistenförmige Einlage (35, 35, 35'; 28; 32; 33, 34; 36;) vorgesehen ist, die sich im wesentlichen über die gesamte Länge der zugehörigen Profilschiene (6, 7) erstreckt. - Webschaft nach Anspruch 4,
dadurch gekennzeichnet, daß
die wenigstens eine leistenförmige Einlage (35, 35'; 28, 32) in Bewegungsrichtung A des Webschaftes (1) relativ zu der zugehörigen Profilschiene (6, 7) beweglich gehalten ist. - Webschaft nach Anspruch 4,
dadurch gekennzeichnet, daß
die wenigstens eine leistenförmige Einlage (28, 32, 33, 34, 35, 35') an der Profilschiene (6, 7) befestigt ist. - Webschaft nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß
in Bewegungsrichtung A des Webschaftes (1) vor und/oder nach der Profilschiene (6) wenigstens eine leistenförmige Einlage (35, 35') angeordnet ist. - Webschaft nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß
die leistenförmige Einlage (28, 32, 33, 34) in einer seitlichen Aussparung (24, 25) der zugehörigen Profilschiene (6, 7) angeordnet ist, in die jeweils ein die Gegenflächen bildender Ansatz der Litzen (10) hineinragt. - Webschaft nach Anspruch 8,
dadurch gekennzeichnet, daß
die Aussparung mit zwei Einlagen (32, 34) versehen ist, die beidseits der Ansätze der Litzen (10) angeordnet sind. - Webschaft nach Anspruch 1 oder 2 oder 4,
dadurch gekennzeichnet, daß
die Einlage (36) als ein mittels steuerbarer Zufuhr eines Druckmediums aufweitbares, schlauchartiges Element ausgebildet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9600049A BE1010007A3 (nl) | 1996-01-19 | 1996-01-19 | Weefkader voor weefmachines. |
BE9600049 | 1996-01-19 | ||
PCT/EP1997/000178 WO1997026396A1 (de) | 1996-01-19 | 1997-01-16 | Webschaft für eine webmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0874930A1 EP0874930A1 (de) | 1998-11-04 |
EP0874930B1 true EP0874930B1 (de) | 2000-03-08 |
Family
ID=3889482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97901536A Expired - Lifetime EP0874930B1 (de) | 1996-01-19 | 1997-01-16 | Webschaft für eine webmaschine |
Country Status (6)
Country | Link |
---|---|
US (1) | US6009918A (de) |
EP (1) | EP0874930B1 (de) |
JP (1) | JP4146898B2 (de) |
BE (1) | BE1010007A3 (de) |
DE (1) | DE59701221D1 (de) |
WO (1) | WO1997026396A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10260024A1 (de) * | 2002-12-19 | 2004-07-15 | Groz-Beckert Kg | Weblitze |
DE10260075A1 (de) * | 2002-12-19 | 2004-09-02 | Groz-Beckert Kg | Schaftrahmen und Webschaft für Webmaschinen |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19932685A1 (de) * | 1999-07-13 | 2001-01-18 | Grob Horgen Ag Horgen | Weblitzensystem |
DE19962977B4 (de) * | 1999-12-24 | 2012-03-08 | Picanol N.V. | Webschaft für eine Webmaschine |
FR2812007B1 (fr) * | 2000-07-24 | 2002-11-29 | Burckle Et Cie Ets | Cadre de lisse pour machine a tisser equipe d'un dispositif amortisseur de lisses et dispositif amortisseur de lisses |
DE10206130B4 (de) * | 2002-02-14 | 2016-09-01 | Groz-Beckert Kg | Webschaft mit mindestens einer Weblitze |
DE10260051B4 (de) * | 2002-12-19 | 2006-10-05 | Groz-Beckert Kg | Webschaft |
FR2849067B1 (fr) * | 2002-12-24 | 2005-04-29 | Staubli Sa Ets | Lisse, cadre de lisses et metier a tisser equipe d'un tel cadre |
DE10329219B4 (de) * | 2003-06-28 | 2007-04-05 | Groz-Beckert Kg | Schaftstab mit beweglichem Litzendämpfungselement |
US7147010B2 (en) * | 2003-07-18 | 2006-12-12 | Staubli Faverges | Heddle frame and weaving loom provided with at least one such frame |
FR2857675B1 (fr) * | 2003-07-18 | 2006-01-13 | Staubli Sa Ets | Cadre lisses et metier a tisser pourvu d'au moins un tel cadre |
FR2857674B1 (fr) * | 2003-07-18 | 2006-03-17 | Staubli Sa Ets | Cadre de lisse et metier a tisser pourvu d'au moins un tel cadre |
DE10342577B4 (de) * | 2003-09-15 | 2005-07-21 | Groz-Beckert Kg | Litze mit vermindertem Spiel |
DE10349646A1 (de) * | 2003-10-21 | 2005-06-02 | Picanol N.V. | Webschaft |
TWM286956U (en) * | 2005-10-14 | 2006-02-01 | Cooler Master Co Ltd | Heat dissipation structure |
CN103710813A (zh) * | 2013-12-25 | 2014-04-09 | 吴江市恒艺丝绸整理厂 | 一种能自减振的综框 |
CN105019095B (zh) * | 2015-07-28 | 2016-08-24 | 苏州市丹纺纺织研发有限公司 | 一种动能传递式综框 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL31734C (de) * | ||||
US3895655A (en) * | 1974-04-12 | 1975-07-22 | Rockwell International Corp | Harness frame for looms |
US4106529A (en) * | 1976-10-22 | 1978-08-15 | Steel Heddle Manufacturing Company | Heddle frame |
DE9413705U1 (de) * | 1994-08-25 | 1994-10-20 | Textilma Ag, Hergiswil | Schaftvorrichtung |
-
1996
- 1996-01-19 BE BE9600049A patent/BE1010007A3/nl not_active IP Right Cessation
-
1997
- 1997-01-16 EP EP97901536A patent/EP0874930B1/de not_active Expired - Lifetime
- 1997-01-16 WO PCT/EP1997/000178 patent/WO1997026396A1/de active IP Right Grant
- 1997-01-16 JP JP52568897A patent/JP4146898B2/ja not_active Expired - Fee Related
- 1997-01-16 DE DE59701221T patent/DE59701221D1/de not_active Expired - Lifetime
- 1997-01-16 US US09/101,300 patent/US6009918A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10260024A1 (de) * | 2002-12-19 | 2004-07-15 | Groz-Beckert Kg | Weblitze |
DE10260075A1 (de) * | 2002-12-19 | 2004-09-02 | Groz-Beckert Kg | Schaftrahmen und Webschaft für Webmaschinen |
DE10260075B4 (de) * | 2002-12-19 | 2007-02-01 | Groz-Beckert Kg | Schaftrahmen und Webschaft für Webmaschinen |
DE10260024B4 (de) * | 2002-12-19 | 2007-03-29 | Groz-Beckert Kg | Weblitze |
Also Published As
Publication number | Publication date |
---|---|
US6009918A (en) | 2000-01-04 |
JP4146898B2 (ja) | 2008-09-10 |
WO1997026396A1 (de) | 1997-07-24 |
JP2000503356A (ja) | 2000-03-21 |
EP0874930A1 (de) | 1998-11-04 |
DE59701221D1 (de) | 2000-04-13 |
BE1010007A3 (nl) | 1997-11-04 |
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Legal Events
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Effective date: 19980530 |
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