NO135563B - - Google Patents
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- Publication number
- NO135563B NO135563B NO743294A NO743294A NO135563B NO 135563 B NO135563 B NO 135563B NO 743294 A NO743294 A NO 743294A NO 743294 A NO743294 A NO 743294A NO 135563 B NO135563 B NO 135563B
- Authority
- NO
- Norway
- Prior art keywords
- sleeve
- capsule
- housing
- space
- spring
- Prior art date
Links
- 239000002775 capsule Substances 0.000 claims description 34
- 239000000126 substance Substances 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000284 resting effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
- A61M15/003—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up using capsules, e.g. to be perforated or broken-up
- A61M15/0033—Details of the piercing or cutting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
- A61M15/003—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up using capsules, e.g. to be perforated or broken-up
- A61M15/0033—Details of the piercing or cutting means
- A61M15/004—Details of the piercing or cutting means with fixed piercing or cutting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/06—Solids
- A61M2202/064—Powder
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pulmonology (AREA)
- Veterinary Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Nozzles (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Developing Agents For Electrophotography (AREA)
- Toys (AREA)
- Medicinal Preparation (AREA)
Description
Oppfinnelsen angår en inhalator for pulverformede stoffer 1 kapsler som kan settes inn i inhalatorkapslingen med inn- og utløp for åndedrettsluft. -En slik inhalator som f.eks. finner anvendelse innenfor medisinen, er allerede kjent. Den byr på den fordel at med innlegning av en kapsel foreligger i apparatet en nøyaktig dosert mengde av det stoff som skal inhaleres, slik at ved behov, f.eks. ved akutte astmatiske anfall, kan ikke noen skadelig overdose inhaleres. Dessuten er inhalatoren hendig og kan bekvemt finne plass i en veske eller lomme. The invention relates to an inhaler for powdered substances 1 capsules which can be inserted into the inhaler housing with inlet and outlet for breathing air. - An inhaler such as e.g. finds application within medicine, is already known. It offers the advantage that by inserting a capsule, a precisely dosed amount of the substance to be inhaled is available in the device, so that if necessary, e.g. in acute asthmatic attacks, no harmful overdose can be inhaled. What's more, the inhaler is handy and can comfortably fit in a bag or pocket.
Den kjente inhalator av ovenfor beskrevne utførelse The known inhaler of the embodiment described above
er slik utformet at kapselen skyves inn i en dreibart lagret sylinderformet bøssing som ved hjelp av propellervinger anordnet på kapselen kan settes i en tumlende dreiebevegelse ved gjennom-sugning av en luftstrøm over det på apparatet anordnede munnstykke. Derved blir det ut av den på forhånd perforerte kapsel virvlet is designed in such a way that the capsule is pushed into a rotatably stored cylindrical bushing which, by means of propeller blades arranged on the capsule, can be set in a tumbling turning movement by suction of an air stream over the nozzle arranged on the device. Thereby, the pre-perforated capsule is swirled out
ut det i denne foreliggende pulverformede stoff, hvoretter dette sammen med den innsugede luft kommer inn i pasientens munn gjennom munnstykket. Som en ulempe ved dette apparat må out the present powdered substance, after which this, together with the sucked-in air, enters the patient's mouth through the mouthpiece. As a disadvantage of this device must
ansees det faktum at ved innsetning av hver kapsel må considered the fact that when inserting each capsule must
apparatet demonteres i tre deler, og at apparatet ca. en gang hver uke må ettersees, dvs. demonteres, rengjøres og innsettes med olje. Dette kan man neppe vente at eldre og svakelige per- the appliance is dismantled in three parts, and that the appliance approx. must be inspected once every week, i.e. dismantled, cleaned and oiled. This can hardly be expected that elderly and infirm per-
soner skal kunne utføre. Dessuten er påliteligheten ikke til-strekkelig, slik at det av produsenten anbefales til enhver tid å ha et reserveapparat for hånden. Grunnen til dette ligger i at apparatet bare funksjonerer ved ytterst tørt pulver. zones must be able to perform. Moreover, the reliability is not sufficient, so that it is recommended by the manufacturer to have a spare device at hand at all times. The reason for this is that the device only works with extremely dry powder.
Derved er det sogar nødvendig å tilsette forskjellige stoffer Thereby it is even necessary to add different substances
for å holde pulveret tørt. to keep the powder dry.
Den oppgave som skal løses med foreliggende oppfinnelse, er å unngå disse ulemper og skaffe en enkel og sikkert The task to be solved with the present invention is to avoid these disadvantages and provide a simple and safe
betjenbar, hendig, vedlikeholdsfri og pålitelig inhalator. operable, handy, maintenance-free and reliable inhaler.
Denne oppgave løses ifølge oppfinnelsen ved at kapselopptaksrommet ved omkretsen av kapslingen er forsynt med en på kapslingsomkretsen åpen side og med et der bevegelig lagret deksel som i fylle- og tømmestillingen frilegger kapselopptaksrommet og i en annen stilling dekker til dette. Dette deksel kan være dreibart lagret og ha en åpning for gjennom- This task is solved according to the invention in that the capsule receiving space at the perimeter of the enclosure is provided with an open side on the enclosure perimeter and with a movably stored cover there which in the filling and emptying position exposes the capsule receiving space and in another position covers it. This cover can be rotatably stored and have an opening for through-
gang av kapselen. Ved hjelp av en i lengderetningen bevegelig og til en utsparing i dekselet ført sperrestift kan dekselet sperres i fylle- og tømmestillingen. Med denne sperrestift kan en utkaster for den i opptaksrommet foreliggende kapsel være forbundet på en slik måte at den under kraften fra en fjær kan skyves inn i opptaksrommet og samtidig bevege sperrestiften inn i utsparingen i dekselet. Ved inntrykking av en kapsel time of the capsule. With the help of a longitudinally movable locking pin guided to a recess in the cover, the cover can be locked in the filling and emptying position. With this locking pin, a ejector for the capsule present in the recording space can be connected in such a way that under the force of a spring it can be pushed into the recording space and at the same time move the locking pin into the recess in the cover. When ingesting a capsule
i opptaksrommet blir deretter utkasteren og sperrestiften trykket inn i det indre av kapslingen, hvorved sistnevnte frigir sperringen. Et fjerde element kan deretter bringe dekselet automatisk til hvilestilling. Dekselet kan forsynes med en anordning til åpning av kapsler, f.eks. i form av to små kniver som kan skyves inn i kapselens opptaksrom med en kraft som er mot-virket i ovennevnte fjærer. Dekselet kan være utformet på forskjellige måter, f.eks. som en sylindrisk hylse som delvis omgir apparatet, som sleide eller som et avtagbart lokk. Dekselet utføres på en hensiktsmessig måte transparent for at kniv og. kapsel til enhver tid er synlig og for å vise hvorvidt en ny, uåpnet kapsel er satt inn. in the receiving space, the ejector and locking pin are then pressed into the interior of the casing, whereby the latter releases the locking. A fourth element can then bring the cover automatically to the rest position. The cover can be fitted with a device for opening capsules, e.g. in the form of two small knives that can be pushed into the capsule's reception space with a force that is counteracted by the above-mentioned springs. The cover can be designed in different ways, e.g. as a cylindrical sleeve that partially surrounds the appliance, as a slide or as a removable lid. The cover is suitably made transparent so that the knife and. capsule is visible at all times and to show whether a new, unopened capsule has been inserted.
Fordelene ved foreliggende oppfinnelse består særlig i at på' grunn av anordningen med kapselopptaksrommet ved omkretsen av kapslingen i forbindelse med et bevegelig deksel kan en ny kapsel settes inn uten demontering av kapslingen. Denne fjærende lagring av dekselet bevirker at dette går automatisk i hvilestilling og således gjør det mulig å forveksle perforeringsstillingen med hvile- hhv. arbeidsstillingen, slik dette kan være tilfelle ved de kjente anordninger. Den fjærende lagrede utkaster letter håndteringen av apparatet betydelig. Ved å gi avkall på et turbovirvelhjul forenkles betjeningen av apparatet og dettes pålitelighet. The advantages of the present invention consist in particular in that, due to the device with the capsule receiving space at the perimeter of the enclosure in connection with a movable cover, a new capsule can be inserted without dismantling the enclosure. This springy storage of the cover causes it to go automatically into the rest position and thus makes it possible to confuse the perforation position with the rest or the working position, as this may be the case with the known devices. The spring-loaded ejector greatly facilitates the handling of the device. By forgoing a turbo whirl wheel, the operation of the device and its reliability are simplified.
En utførelse av oppfinnelsen er vist på tegningene An embodiment of the invention is shown in the drawings
og skal i det følgende beskrives nærmere, idet fig. 1 er et samlet oppriss av apparatet i drifts- hhv. hvilestilling, delvis i snitt, fig. 2 er et snitt av apparatet etter linjen II-II på and shall be described in more detail in the following, as fig. 1 is a general elevation of the device in operation or resting position, partly in section, fig. 2 is a section of the apparatus along the line II-II on
fig. 1 i fylle-/tømmestilling, fig. 3 er et snitt av apparatet i arbeid- hhv. hvilestilling etter linjen III-III på fig. 1, og fig. 4 er et snitt av apparatet i perforeringsstillingen etter linjen III-III på fig. 1. fig. 1 in filling/emptying position, fig. 3 is a section of the device in operation - or rest position according to the line III-III in fig. 1, and fig. 4 is a section of the device in the perforation position along the line III-III in fig. 1.
Ved det på tegningen viste eksempel er inhalatoren utformet med sylindrisk kapsling og forsynt med et munnstykke 17 In the example shown in the drawing, the inhaler is designed with a cylindrical casing and provided with a mouthpiece 17
ved den ene ende. En åpning 4 i et deksel 3 lar seg bringe til den på fig. 2 viste fylle- og tømmestilling mot kraften av en fjær 16. Derved blir en i det indre av kapslingen i en utsparing 7 ført og med en utkaster 10 stivt forbundet sperrestift 6 på at one end. An opening 4 in a cover 3 can be brought to the one in fig. 2 showed the filling and emptying position against the force of a spring 16. Thereby a locking pin 6 is guided in a recess 7 in the interior of the housing and with a ejector 10 rigidly connected to
grunn av fjærkraften fra et fjærelement 9 skjøvet inn i en nå due to the spring force from a spring element 9 pushed into a now
fritt liggende utsparing i dekselet 3 og sperrer dekselet. I exposed recess in the cover 3 and blocks the cover. IN
denne stilling er det mulig å trykke en kapsel 11 inn i et opptaksrom 1 i inhalatoren mot utkasteren 10 som rager inn i dette rom, pa en slik måte at samtidig den med utkasteren forbundne sperrestift 6 blir frigitt, hvorved dekselet 3 ved hjelp av kraften fra fjærelementet 16 beveges til en på fig. 3 vist hvile- og arbeidsstilling, hvor kapselen 11 i det ved omkretsen anordnede opptaksrom 1 som er åpent utover, blir dekket til ved hjelp av dekselet 3. in this position, it is possible to press a capsule 11 into a receiving space 1 in the inhaler against the ejector 10 which projects into this space, in such a way that at the same time the locking pin 6 connected to the ejector is released, whereby the cover 3 with the help of the force from the spring element 16 is moved to a in fig. 3 shown resting and working position, where the capsule 11 in the reception room 1 arranged at the perimeter, which is open to the outside, is covered with the help of the cover 3.
Ved å bevege dekselet 3 i en retning motsatt fylle- By moving the cover 3 in a direction opposite to the fill-
og tømmestillingen, griper en skjæreanordning som er ført i slisser 18 i kapslingen og består av to små kniver 12 festet til dekselet 3 inn i opptaksrommet 1 og skjærer eller stikker hull på den der foreliggende kapsel 11 i nærheten av kapselens 2 ender, hvorved der oppstår to små huller 13. Knivene 12 som er bevegelige i slisser 18 anordnet langs omkretsen, tjener samtidig som aksial-lagring for den som deksel utformede hylse i kapslingen. Perforeringsstillingen for inhalatoren er vist på fig. 4. and the emptying position, a cutting device which is guided in slots 18 in the housing and consists of two small knives 12 attached to the cover 3 grips into the receiving space 1 and cuts or pierces the capsule 11 present there in the vicinity of the capsule 2 ends, whereby there is two small holes 13. The knives 12, which are movable in slots 18 arranged along the circumference, serve at the same time as axial storage for the cover designed sleeve in the enclosure. The perforation position for the inhaler is shown in fig. 4.
Etter frigjøring av dekselet 3 blir dette på grunn av den dobbeltvirkende.fjærkraft av fjærelementet 16 automatisk beveget til hvile- og arbeidsstillingen. Via munnstykket 17 blir det i kapselen 11 foreliggende, pulverformede stoff ved en innåndings-prosess gjennom en med opptaksrommet 1 forbundet innløpsåpning 14 og en til munnstykket 17 åpen avløpsåpning 15 som vist på fig. 1 After releasing the cover 3, this is automatically moved to the resting and working position due to the double-acting spring force of the spring element 16. Via the mouthpiece 17, the powdered substance present in the capsule 11 is inhaled through an inlet opening 14 connected to the intake chamber 1 and a drain opening 15 open to the mouthpiece 17, as shown in fig. 1
suget inn i munnen på grunn av hullene 13. For utkasting av den tomme kapsel 11 blir dekselet 3 mot fjærkraften fra fjærelementet 16 bragt til fylle- og tømmestillingen, sucked into the mouth due to the holes 13. To eject the empty capsule 11, the cover 3 is brought to the filling and emptying position against the spring force from the spring element 16,
idet sperrestiften 6 og utkasteren 10 på grunn av fjærelementets 9 fjærkraft beveges utover, og utkasteren automatisk kaster ut kapselen. as the locking pin 6 and the ejector 10 are moved outwards due to the spring force of the spring element 9, and the ejector automatically ejects the capsule.
Den på tegningen ikke viste bunn i inhalatoren, hvilken The one in the drawing that didn't show the bottom of the inhaler, which one
er forsynt med luftinntaksslisser for innløpsåpningen 14, og som er satt inn i det sylinderformede deksel 3, lar seg i nærheten av aksen utforme koppformet og forsyne med spor for å tjene til opptak og delvis medbringer av fjærelementet 16. Dekselet 3 utformes hensiktsmessig gjennomsiktig. Dermed kan man straks se om en ny, uåpnet kapsel er ført inn. Dessuten ser man derved straks om dekselet 3 is provided with air intake slots for the inlet opening 14, and which is inserted into the cylindrical cover 3, can be designed in the vicinity of the axis cup-shaped and provided with grooves to serve for receiving and partially entrainment of the spring element 16. The cover 3 is suitably designed transparent. In this way, you can immediately see whether a new, unopened capsule has been inserted. In addition, you immediately see about the cover 3
beveges i riktig retning. moved in the right direction.
Claims (6)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2346914A DE2346914C3 (en) | 1973-09-18 | 1973-09-18 | Powdered substance inhaler |
Publications (3)
Publication Number | Publication Date |
---|---|
NO743294L NO743294L (en) | 1975-04-14 |
NO135563B true NO135563B (en) | 1977-01-17 |
NO135563C NO135563C (en) | 1977-04-27 |
Family
ID=5892931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO743294A NO135563C (en) | 1973-09-18 | 1974-09-13 |
Country Status (28)
Country | Link |
---|---|
US (1) | US3918451A (en) |
JP (1) | JPS5841067B2 (en) |
AT (1) | AT342188B (en) |
BE (1) | BE820056A (en) |
BG (1) | BG21587A3 (en) |
CA (1) | CA1027448A (en) |
CH (1) | CH570807A5 (en) |
CS (1) | CS185569B2 (en) |
DD (1) | DD114224A5 (en) |
DE (1) | DE2346914C3 (en) |
DK (1) | DK154473C (en) |
ES (1) | ES430158A1 (en) |
FI (1) | FI56119C (en) |
FR (1) | FR2243707B1 (en) |
GB (1) | GB1472650A (en) |
HU (1) | HU171644B (en) |
IE (1) | IE40176B1 (en) |
IL (1) | IL45657A (en) |
IT (1) | IT1021401B (en) |
NL (1) | NL176230C (en) |
NO (1) | NO135563C (en) |
PH (1) | PH11772A (en) |
PL (1) | PL91694B1 (en) |
RO (1) | RO69308A (en) |
SE (1) | SE415230B (en) |
SU (1) | SU550107A3 (en) |
YU (1) | YU36258B (en) |
ZA (1) | ZA745795B (en) |
Families Citing this family (70)
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IT1017153B (en) * | 1974-07-15 | 1977-07-20 | Isf Spa | APPARATUS FOR INHALATIONS |
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GB1598081A (en) * | 1977-02-10 | 1981-09-16 | Allen & Hanburys Ltd | Inhaler device for dispensing medicaments |
DE3050005A1 (en) * | 1979-10-30 | 1982-03-18 | Riker Laboratories Inc | BREATH ACTUATED DEVICES FOR ADMINISTERING POWDERED MEDICAMENTS |
ES506585A0 (en) * | 1980-10-30 | 1982-09-01 | Riker Laboratories Inc | A DEVICE TO FACILITATE THE ORAL INHALATION OF MEDICINES IN THE FORM OF POWDER |
DE3345722A1 (en) * | 1983-12-17 | 1985-06-27 | Boehringer Ingelheim KG, 6507 Ingelheim | INHALATOR |
US4777962A (en) * | 1986-05-09 | 1988-10-18 | Respitrace Corporation | Method and apparatus for distinguishing central obstructive and mixed apneas by external monitoring devices which measure rib cage and abdominal compartmental excursions during respiration |
IT1228460B (en) * | 1989-02-23 | 1991-06-19 | Phidea S R L | DISPOSABLE INHALER WITH PRE-PERFORATED CAPSULE |
IT1230313B (en) * | 1989-07-07 | 1991-10-18 | Somova Spa | INHALER FOR CAPSULES MEDICATIONS. |
DE3927170A1 (en) * | 1989-08-17 | 1991-02-21 | Boehringer Ingelheim Kg | INHALATOR |
NL9002706A (en) * | 1990-12-10 | 1992-07-01 | Pharmachemie Bv | Apparatus for use when inhaling powdered materials packaged in rod capsules. |
GB2253200A (en) * | 1991-02-01 | 1992-09-02 | Harris Pharma Ltd | Inhalation apparatus and fracturable capsule for use therewith |
US5797391A (en) * | 1991-03-28 | 1998-08-25 | Rhone-Poulenc Rorer Limited | Inhaler |
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US1929154A (en) * | 1931-07-29 | 1933-10-03 | Sundock Rose | Powder spray and injector |
DE1566604C3 (en) * | 1966-09-17 | 1980-10-23 | Fisons Pharmaceuticals Ltd., Loughborough, Leicestershire (Ver. Koenigreich) | Device for the oral inhalation of medication in finely divided form |
GB1268051A (en) * | 1968-06-07 | 1972-03-22 | Fisons Pharmaceuticals Ltd | Inhalation device |
IT941426B (en) * | 1971-07-17 | 1973-03-01 | Isf Spa | SWIRL-CHAMBER INHALER FOR POWDER-SHAPING MEDICINAL SUBSTANCES |
GB1387954A (en) * | 1973-05-08 | 1975-03-19 | Miles Lab | Insufflator |
-
1973
- 1973-09-18 DE DE2346914A patent/DE2346914C3/en not_active Expired
-
1974
- 1974-09-11 ZA ZA00745795A patent/ZA745795B/en unknown
- 1974-09-13 NO NO743294A patent/NO135563C/no unknown
- 1974-09-13 IL IL45657A patent/IL45657A/en unknown
- 1974-09-13 CA CA209,359A patent/CA1027448A/en not_active Expired
- 1974-09-13 HU HU74PA00001196A patent/HU171644B/en not_active IP Right Cessation
- 1974-09-13 BG BG027669A patent/BG21587A3/en unknown
- 1974-09-16 US US506611A patent/US3918451A/en not_active Expired - Lifetime
- 1974-09-16 IT IT7427308A patent/IT1021401B/en active
- 1974-09-17 FI FI2719/74A patent/FI56119C/en active
- 1974-09-17 AT AT748374A patent/AT342188B/en not_active IP Right Cessation
- 1974-09-17 SE SE7411700A patent/SE415230B/en not_active IP Right Cessation
- 1974-09-17 CS CS7400006349A patent/CS185569B2/en unknown
- 1974-09-17 ES ES430158A patent/ES430158A1/en not_active Expired
- 1974-09-17 YU YU2523/74A patent/YU36258B/en unknown
- 1974-09-17 RO RO7480014A patent/RO69308A/en unknown
- 1974-09-17 DK DK488474A patent/DK154473C/en not_active IP Right Cessation
- 1974-09-17 DD DD181161A patent/DD114224A5/xx unknown
- 1974-09-18 GB GB4071974A patent/GB1472650A/en not_active Expired
- 1974-09-18 BE BE148650A patent/BE820056A/en not_active IP Right Cessation
- 1974-09-18 FR FR7431558A patent/FR2243707B1/fr not_active Expired
- 1974-09-18 NL NLAANVRAGE7412350,A patent/NL176230C/en active Search and Examination
- 1974-09-18 PH PH16298A patent/PH11772A/en unknown
- 1974-09-18 IE IE1935/74A patent/IE40176B1/en unknown
- 1974-09-18 JP JP49107544A patent/JPS5841067B2/en not_active Expired
- 1974-09-18 SU SU2064754A patent/SU550107A3/en active
- 1974-09-18 CH CH1264174A patent/CH570807A5/xx not_active IP Right Cessation
- 1974-09-18 PL PL1974174176A patent/PL91694B1/pl unknown
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