DK144006B - ROLLER FOR WINDING WIND ON A ROTABLE SPINDLE - Google Patents
ROLLER FOR WINDING WIND ON A ROTABLE SPINDLE Download PDFInfo
- Publication number
- DK144006B DK144006B DK131478AA DK131478A DK144006B DK 144006 B DK144006 B DK 144006B DK 131478A A DK131478A A DK 131478AA DK 131478 A DK131478 A DK 131478A DK 144006 B DK144006 B DK 144006B
- Authority
- DK
- Denmark
- Prior art keywords
- thread
- wire
- starting roller
- roller
- spindle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H65/00—Securing material to cores or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/28—Arrangements for positively securing ends of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
- B65H2701/312—Fibreglass strands
- B65H2701/3122—Fibreglass strands extruded from spinnerets
Landscapes
- Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Unwinding Of Filamentary Materials (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Winding Filamentary Materials (AREA)
Description
i 144006in 144006
Fra beskrivelsen til dansk patentansøgning nr. 5093/75 kender man en fremgangsmåde ved igangsætning af opspolingen af en kontinuerlig tråd af termoplastisk materiale, navnlig glas, 5 hvilken tråd består af filamenter, der hidrører fra en spindedyse og trækkes ud til et ønsket garnnummer under opspolingen på et spolehylster på en spindel med en på en endeflade påsat medroterbar startvalse, der på sin endeflade har trådgribeorganer. Denne fremgangsmåde er 10 ejendommelig ved, at den tråd, der er ved at blive tilvejebragt, indsættes i en i forhold til spindlen således positionsfast trådtrækkemekanisme, at tråden kommer i anlæg mod endefladen af den stillestående startvalse, og at tråden, som fastgribes af gribeorganerne i det 15 øjeblik startvalsen sættes i gang føres hen til og op-spoles som en ring i en på startvalsen beliggende rundt-gående not, og medens startvalsens hastighed vokser til sin normale opspolingshastighed dækkes over med nye trukne trådvindinger til fastspænding af ringen inden 20 overførsel af tråden til opspoling på hylsteret.From the specification of Danish Patent Application No. 5093/75, a method is known for initiating the winding of a continuous thread of thermoplastic material, in particular glass, which wire consists of filaments derived from a spinning nozzle and is drawn to a desired yarn number during the winding. on a spool sleeve on a spindle with a rotatable starter roller mounted on one end surface having thread gripping means on its end surface. This method is characterized in that the thread which is being provided is inserted into a thread-tightening mechanism positioned relative to the spindle, that the thread comes into contact with the end surface of the stationary starter roller and that the thread which is gripped by the gripping means in the the 15 moment the starting roller is started is moved to and wound up as a ring in a circular groove located on the starting roller, and while the speed of the starting roller grows to its normal winding speed is covered with new drawn wire turns to clamp the ring before 20 transfer of the thread for winding on the sheath.
I henhold til ovennævnte ansøgning bringes tråden i anlæg mod startvalsens endeflade langs en diameter og fastgribes ved hjælp af to diametralt modstående gribe-organer på denne endeflade. Til dette formål omfatter 25 apparatet til udøvelse af fremgangsmåden gribeorganer, som kan udgøres af riller, der er parallelle med spindlens akse mellem startvalsens endeflade og noten, hvilke riller fører tråden til noten. Fortrinsvis er der to diametralt modstående riller.According to the aforementioned application, the wire is brought into contact with the end surface of the starting roller along a diameter and is gripped by two diametrically opposed gripping means on this end surface. For this purpose, the apparatus for carrying out the method comprises gripping means which may be formed by grooves parallel to the axis of the spindle between the end surface of the starting roller and the groove, which grooves guide the thread to the groove. Preferably, there are two diametrically opposed grooves.
30 Man har konstateret, at denne udformning i det hele taget virker tilfredsstillende, men har dog visse ulemper, som nu under hensyn til, at forståelsen vil være vanskelig uden støtte af figurer, skal forklares nærmere under henvisning til den ledsagende tegnings 35 fig. 1-4, der skematisk viser, set fra enden, startvalsen i apparatet ifølge ovennævnte patentansøgning. Disse figurer 1-4, svarer til fig. 25 i ovennævnte patentansøgning .30 While this design has been found to be satisfactory on the whole, however, there are certain disadvantages which, now that the understanding will be difficult without the support of figures, will be explained in more detail with reference to FIG. 1-4, schematically showing, from the end, the starting roller of the apparatus according to the above-mentioned patent application. These Figures 1-4 correspond to Figs. 25 of the above patent application.
144006 2144006 2
Ved 7 vises startvalsen, der er udformet med to diametralt modstående riller 10, og ved 3 betegnes tråden, som skal bringes i indgreb med rillerne 10, når spindlen, på hvilken startvalsen 7 er monteret 5 sættes igang.At 7, the starting roller is formed with two diametrically opposed grooves 10, and at 3 is indicated the wire which is to be engaged with the grooves 10 when the spindle on which the starting roller 7 is mounted 5 is started.
Ved at betragte fig. 1 vil man forstå, at tråden 3 for at kunne bringes i indgreb med rillerne 10, må placeres diametralt i forhold til startvalsen 7.By looking at FIG. 1, it will be understood that in order to be able to engage the grooves 10, the thread 3 must be placed diametrically in relation to the starting roll 7.
Det kan hænde, at denne betingelse på et givet tids-10 punkt ikke er opfyldt, navnlig af følgende grunde: a) De til apparatet ifølge ovennævnte patentansøgning hørende organer til fastholdelse af tråden i den korrekte position, f.eks. staven 11 med noten 13 på fig. 1-3 i ovennævnte patentansøgning har ikke 15 den korrekte position, hvorfor tråden ikke længere befinder sig i det diametrale plan D. Nærværende fig. 1-3 illustrerer denne fejlfunktion. Af fig. 1 fremgår det, at tråden 3 som ikke er beliggende i det diametrale plan D udelukkende har greb med den øvre 20 rille. Når startvalsen 7 drejer videre (fig. 2) trækkes tråden nedad ved hjælp af den på tegningen ikke viste, men i ovennævnte patentansøgning under henvisning til fig. 1-3 nærmere beskrevne trådtrækkemekanisme, hvorfor tråden til sidst slipper ud fra rillen, jf.This condition may not be fulfilled at any given time, in particular for the following reasons: a) The means of the apparatus of the above-mentioned patent application for holding the wire in the correct position, e.g. the rod 11 with the groove 13 in FIG. 1-3 of the above-mentioned patent application do not have the correct position, so the thread is no longer in the diametrical plane D. The present FIG. 1-3 illustrate this malfunction. In FIG. 1 it appears that the wire 3 which is not located in the diametrical plane D has grip only with the upper groove. As the starting roller 7 rotates further (FIG. 2), the thread is pulled down by the not shown in the drawing, but in the above-mentioned patent application with reference to FIG. 1-3 further described thread pulling mechanism, which is why the thread eventually escapes from the groove, cf.
25 fig. 3.FIG. Third
b) Trods brugen af det system til påføring af olieringsprodukt på tråden, der under henvisning til fig. 17 er beskrevet i ovennævnte patentansøgning,kan det ske,at tråden 3 på grund af det størknede olierings- 30 produkt holdes fastklæbet på startvalsen 7's endeflade, jf. nærværende fig. 4. På samme måde som ved det i fig. 1 viste tilfælde har tråden, der ikke længere er beliggende i det diametrale plan D kun greb med én enkelt rille, nemlig den nedre rille, hvorfor tråden 35 igen slipper ud fra rillen på samme måde som beskrevet ovenfor under henvisning til nærværende fig. 1-3, inden tråden får indgreb med den anden rille.b) Despite the use of the oil application product system on the wire which, with reference to FIG. 17 is described in the aforementioned patent application, it may happen that the thread 3, due to the solidified oiling product, is held adhered to the end surface of the starter roll 7, cf. 4. In the same way as in FIG. 1, the wire no longer located in the diametrical plane D has only one single groove, namely the lower groove, so the wire 35 again exits the groove in the same manner as described above with reference to the present FIG. 1-3 before the thread engages the second groove.
Man har endvidere konstateret, at gribeorganerne 3 144006 skal være regelmæssigt fordelt på startvalsens endeflade for at undgå, at der under spindlens rotation forekommer en skadelig uligevægt.Furthermore, it has been found that the gripping means 3 144006 must be regularly distributed on the end surface of the starter roll to avoid any harmful imbalance during rotation of the spindle.
Opfindelsen giver anvisning på et spoleapparat, 5 der giver en driftssikker trådføring og med henblik herpå er et spoleapparat til opspoling af en kontinuerlig tråd, navnlig glastråd, på en roterbar spindel, og med en underliggende trådtrækkemekanisme med to i indbyrdes modsatte retninger roterbare valser, en med spinde-10 len roterbar startvalse og en trådstyrestav indrettet til at anbringe den under trækning værende tråd i anlæg med startvalsens endeflade for gribning af gribe-organer i form af indsnit på nævnte endeflade førende til en på startvalsen rundtgående not beregnet til op-15 vikling af tråden indtil spindelen har nået sin normale opviklingshastighed ifølge opfindelsen ejendommeligt ved tre i ens vinkelafstande fra hinanden på startvalsen fordelte indsnit, og ved at trådstyrestaven ved sin nærmest nævnte endeflade på startvalsen beliggende ende 20 bærer et i hovedsagen V-formet organ, der er fastgjort til staven gennem enden af en af sine to grene, medens den anden gren i hovedsagen strækker sig i retning mod startvalsen, og at trådtrækkemekanismens to valser i det mindste på overfladen består af elastomermateriale med 25 hårdhedsgrad på ca. 95 Shore.The invention provides a coil apparatus which provides a reliable wire guide and, to this end, a coil apparatus for coiling a continuous wire, in particular glass wire, on a rotatable spindle, and with an underlying wire pulling mechanism with two mutually rotating rollers, a rotatable starting roller and a thread guide rod adapted to place the pulling wire in abutment with the starting roller end surface for gripping gripping means in the form of incisions on said end surface leading to a groove surrounding the starting roller intended for winding 15 of the wire until the spindle has reached its normal winding speed according to the invention peculiarly at three angles spaced apart at the angular distance from the starting roller, and by the wire guide rod at its proximate end surface of the starting roller carrying a substantially V-shaped member attached to the stake through the end of one of its two branches, while the other branch ih the upper case extends in the direction of the starting roller, and that the two rollers of the wire pulling mechanism at least on the surface consist of elastomeric material of 25 hardness of approx. 95 Shore.
Opfindelsen beror på den erkendelse, at den driftssikre trådføring beror på tre hovedfaktorer. Tilstedeværelsen af tre indbyrdes 120° vinkelforskudte indsnit indebærer, at startvalsen ikke behøver at indtage 30 en bestemt position for at tråden kan gribes fat af indsnittene,og at startvalsen også er i ligevægt. Tråd-trækkemekanismen er i stand til at udøve den korrekte trækspænding på tråden og med den angivne udformning af ‘trådstyrestaven med det V-formede organ, er der opnået 35 sikkerhed for korrekt placering af tråden både overfor startvalsen og overfor trådtrækkemekanismen.The invention is based on the recognition that the reliable wire routing depends on three main factors. The presence of three 120 ° angularly displaced incisions means that the starting roller does not have to occupy a certain position for the thread to be grasped by the incisions and that the starting roller is also in equilibrium. The thread pulling mechanism is capable of exerting the correct tensile stress on the thread and with the specified design of the thread guide rod with the V-shaped member, assurance of correct placement of the thread both to the starter roll and to the thread pulling mechanism has been achieved.
Opfindelsen forklares nærmere i det følgende under henvisning til den skematiske tegning, hvor 144006 4 fig. 1-4 som nævnt viser en udførelsesform for apparatet ifølge dansk patentansøgning nr. 5093/75 med startvalsen set fra enden i forskellige arbejdspositio-ner, 5 fig. 5-7 viser en startvalse i en udførelsesform for apparatet ifølge opfindelsen og set fra enden i tre successive arbejdspositioner, fig. 8-10 tre billeder, der svarer til fig. 5-7 og repræsenterer yderligere tre successive arbejdsposi-10 tioner for startvalsen, fig. 11 set fra siden et detailbillede af gribe-organet i apparatet ifølge opfindelsen, fig. 12 et delbillede svarende til fig. 22 og 23 i ovennævnte patentansøgning, hvilke billeder tjener til 15 forklaring af enkelte funktionsfejl ved den viste trådstyrestav, og fig. 13 et til fig. 12 svarende billede af trådstyrestaven i apparatet ifølge opfindelsen.The invention will be explained in more detail below with reference to the schematic drawing, in which FIG. 1-4, as mentioned, shows an embodiment of the apparatus according to Danish patent application no. 5093/75 with the starting roller seen from the end in different working positions; 5-7 show a starting roller in one embodiment of the apparatus according to the invention and viewed from the end in three successive working positions; 8-10 three images corresponding to FIG. 5-7 and represents three further successive working positions of the starting roller; 11 is a side elevational view of the gripper member of the apparatus of the invention; FIG. 12 is a partial view similar to FIG. 22 and 23 of the above-mentioned patent application, which images serve to explain some of the malfunctions of the wire guide rod shown, and FIG. 13 is a view of FIG. 12 is a similar view of the wire guide rod of the apparatus of the invention.
Der henvises nu til fig. 5-10. Ved 7 vises 20 startvalsen, som iøvrigt er udformet som beskrevet i ovennævnte patentansøgning, og hvis endeflade er udformet med tre 120° vinkelforskudte gribeorganer. Disse gribeorganer udgøres af indsnit 70. Ved denne foranstaltning er det ikke længere nødvendigt, at tråden 3 25 holdes præcist i diametral stilling på drivvalsen 7's endeflade. Som det fremgår af disse figurer 5-10, vil tråden 3, i det tilfælde, hvor det er forskudt i forhold til startvalsens akse nødvendigvis komme i indgreb med to successive indsnit. Der er ikke længere risiko for 30 manglende indgreb, eftersom denne placering af indsnittene med en vinkel på 120° mellem hinanden indebærer, at startvalsen ikke behøver at indtage en bestemt position for at tråden kan gribes fast af indsnittene. Desuden er startvalsen også i ligevægt.Referring now to FIG. 5-10. At 7, the starting roll is shown, which is otherwise designed as described in the aforementioned patent application, and the end face of which is formed with three 120 ° angular offset gripping means. These gripping members are constituted by incision 70. By this measure, it is no longer necessary that the wire 3 25 be held precisely in diametrical position on the end surface of the drive roller 7. As can be seen from these Figures 5-10, in the case where it is offset relative to the axis of the starting roller, the thread 3 will necessarily engage two successive incisions. There is no longer a risk of missing engagement because this placement of the incisions at an angle of 120 ° between each other means that the starting roller does not have to occupy a specific position for the thread to be gripped by the incisions. Moreover, the starting roller is also in equilibrium.
35 Af fig. 5-10 fremgår, hvorledes tråden fastgri- bes uanset startvalsens udgangsposition, og selv om tråden ligger forskudt i forhold til startvalsens akse.35 From FIG. 5-10 shows how the thread is gripped regardless of the starting position of the starting roller, and even though the thread is offset relative to the axis of the starting roller.
I samtlige tilfælde vil tråden 3 komme i indgreb med 1UQ06 5 to successive indsnit på startvalsen.In all cases, the thread 3 will engage 1UQ06 5 two successive incisions on the starting roller.
Der henvises nu til fig. 11, som viser spindlen 4 set fra siden. Tråden vikles på denne spindel på samme måde som beskrevet i ovennævnte patentansøgning.Referring now to FIG. 11, which shows the spindle 4 as seen from the side. The thread is wound on this spindle in the same manner as described in the above-mentioned patent application.
5 Startvalsen 7, som kobles til spindlen omfatter, som beskrevet i ovennævnte patentansøgning, en not 8 og indsnit 70 i den ovenfor beskrevne placering samt en glanspoleret endeflade 9, som tråden bringes i anlæg mod.The starter roller 7 coupled to the spindle comprises, as described in the above-mentioned patent application, a groove 8 and notch 70 in the above-described location and a gloss-polished end surface 9 against which the thread is brought into contact.
10 Når man anvender friktionsreducerende olierings produkter, har man konstateret, at der er risiko for at tråden efter brud ved trækkevalserne 19 og 20, jf. ovennævnte patentansøgning, glider ud. For at afhjælpe denne ulempe kan indsnittene 70 i henhold til opfin-15 delsen have en hældning på 45° i forhold til startvalsens endeflade 9, idet forkanten af indsnittet ved endefladen er så skarp som muligt. Ved denne foranstaltning opnår man altid en blokering af tråden i bunden af indsnittet, og der er ikke længere risiko for at trå-20 den glider ud af indgreb med startvalsen.10 When using friction-reducing oiling products, it has been found that there is a risk that the thread after breaking at the pull rollers 19 and 20, cf. the above-mentioned patent application, will slip out. To alleviate this disadvantage, the incisions 70 according to the invention may have a slope of 45 ° with respect to the end surface 9 of the starting roller, the leading edge of the incision at the end surface being as sharp as possible. By this measure, the thread is always obstructed at the bottom of the incision and there is no longer a risk of the thread slipping out of engagement with the starting roller.
Der henvises nu til fig. 12 og 13.Referring now to FIG. 12 and 13.
I fig. 12, hvor der er anvendt de samme henvisningsbetegnelser som i ovennævnte patentansøgning ses den trådstyrestav, der er beskrevet under henvisning 25 til fig. 22 og 23 i ovennævnte patentansøgning. Denne trådstyrestav omfatter en stav 15 ved hvis ende der er monteret et V-formet organ 51, hvis funktion er at bringe tråden i indgreb med indsnittene på startvalsens endeflade og dermed også i noten 8 på startvalsen 7.In FIG. 12, where the same reference numerals have been used as in the above-mentioned patent application, the wire guide rod described with reference 25 to FIG. 22 and 23 of the above-mentioned patent application. This wire guide rod comprises a rod 15 at the end of which is mounted a V-shaped member 51, the function of which is to engage the wire with the notches on the end surface of the starting roller and thus also in the groove 8 on the starting roller 7.
30 løvrigt er dette V-formede organ udformet på samme måde som beskrevet i ovennævnte patentansøgning. Med dette V-formede organ har man konstateret, at operatøren i det øjeblik, hvor han ved starten af opspolingen på et nyt spolehylster sætter tråden 3 i den i fig. 12 ikke 35 viste trækkemekanisme, kan komme til at placere tråden i det mellemrum A, der findes mellem staven 15 og en af grenene af det V-formede organ 51, således at tråden kan komme til at sidde fast.This leaf-shaped member is designed in the same manner as described in the above-mentioned patent application. With this V-shaped member, it has been found that at the moment when, at the start of rewinding, on a new bobbin case, he puts the wire 3 in the one shown in FIG. 12 may not place the thread in the space A located between the rod 15 and one of the branches of the V-shaped member 51, so that the thread may get stuck.
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7708655A FR2384699A2 (en) | 1977-03-23 | 1977-03-23 | DEVICE FOR FIXING A WIRE ON A ROTATING SPINDLE |
FR7708655 | 1977-03-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK131478A DK131478A (en) | 1978-09-24 |
DK144006B true DK144006B (en) | 1981-11-16 |
DK144006C DK144006C (en) | 1982-04-26 |
Family
ID=9188462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK131478A DK144006C (en) | 1977-03-23 | 1978-03-22 | L RINSE DEVICE FOR WINDING A WIRE ON A ROTABLE SPIN |
Country Status (27)
Country | Link |
---|---|
JP (1) | JPS53119328A (en) |
AT (1) | AT382352B (en) |
AU (1) | AU520131B2 (en) |
BE (1) | BE865197R (en) |
BG (1) | BG30320A4 (en) |
BR (1) | BR7801792A (en) |
CA (1) | CA1086284A (en) |
CH (1) | CH623796A5 (en) |
CS (1) | CS215107B2 (en) |
DD (1) | DD134509A6 (en) |
DE (1) | DE2812356A1 (en) |
DK (1) | DK144006C (en) |
ES (1) | ES468103A1 (en) |
FI (1) | FI62806C (en) |
FR (1) | FR2384699A2 (en) |
GB (1) | GB1595668A (en) |
HU (1) | HU178096B (en) |
IE (1) | IE46687B1 (en) |
IT (1) | IT1109822B (en) |
LU (1) | LU79291A1 (en) |
MX (1) | MX147618A (en) |
NL (1) | NL7803079A (en) |
NO (1) | NO781037L (en) |
PL (1) | PL112729B3 (en) |
SE (1) | SE442625B (en) |
YU (1) | YU68178A (en) |
ZA (1) | ZA781695B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW199135B (en) * | 1990-09-26 | 1993-02-01 | Barmag Barmer Maschf |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE619180C (en) * | 1932-11-22 | 1935-09-23 | Schlafhorst & Co W | Methods and devices for fixing the thread end on the bobbin in Koetz winding machines |
CH459839A (en) * | 1967-07-19 | 1968-07-15 | Rieter Ag Maschf | Method for generating a thread reserve on a cylindrical bobbin holder and device for carrying out the method |
US3539317A (en) * | 1967-11-21 | 1970-11-10 | Owens Corning Fiberglass Corp | Glass fiber forming apparatus with roll means for advancing linear material |
FR2291138A1 (en) * | 1974-11-13 | 1976-06-11 | Saint Gobain | IMPROVEMENT IN THE WINDING OF THERMOPLASTIC MATERIAL THREADS, ESPECIALLY GLASS THREADS |
US4069984A (en) * | 1975-06-26 | 1978-01-24 | Owens-Corning Fiberglas Corporation | Apparatus for packaging linear material |
-
1977
- 1977-03-23 FR FR7708655A patent/FR2384699A2/en active Granted
-
1978
- 1978-03-14 MX MX172750A patent/MX147618A/en unknown
- 1978-03-15 GB GB10260/78A patent/GB1595668A/en not_active Expired
- 1978-03-15 IT IT21239/78A patent/IT1109822B/en active
- 1978-03-17 CA CA299,130A patent/CA1086284A/en not_active Expired
- 1978-03-20 FI FI780872A patent/FI62806C/en not_active IP Right Cessation
- 1978-03-20 DD DD78204285A patent/DD134509A6/en unknown
- 1978-03-21 DE DE19782812356 patent/DE2812356A1/en not_active Withdrawn
- 1978-03-21 PL PL1978205464A patent/PL112729B3/en unknown
- 1978-03-21 BG BG7839115A patent/BG30320A4/en unknown
- 1978-03-21 ES ES468103A patent/ES468103A1/en not_active Expired
- 1978-03-21 SE SE7803260A patent/SE442625B/en not_active IP Right Cessation
- 1978-03-22 DK DK131478A patent/DK144006C/en not_active IP Right Cessation
- 1978-03-22 BE BE186188A patent/BE865197R/en not_active IP Right Cessation
- 1978-03-22 AU AU34437/78A patent/AU520131B2/en not_active Expired
- 1978-03-22 BR BR7801792A patent/BR7801792A/en unknown
- 1978-03-22 NL NL7803079A patent/NL7803079A/en not_active Application Discontinuation
- 1978-03-22 YU YU00681/78A patent/YU68178A/en unknown
- 1978-03-22 IE IE575/78A patent/IE46687B1/en unknown
- 1978-03-22 NO NO781037A patent/NO781037L/en unknown
- 1978-03-22 HU HU78SA3102A patent/HU178096B/en unknown
- 1978-03-22 CH CH316378A patent/CH623796A5/en not_active IP Right Cessation
- 1978-03-22 LU LU79291A patent/LU79291A1/en unknown
- 1978-03-23 JP JP3248178A patent/JPS53119328A/en active Pending
- 1978-03-23 CS CS781876A patent/CS215107B2/en unknown
- 1978-03-23 AT AT0209478A patent/AT382352B/en not_active IP Right Cessation
- 1978-03-23 ZA ZA00781695A patent/ZA781695B/en unknown
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