SE194336C1 - - Google Patents
Info
- Publication number
- SE194336C1 SE194336C1 SE158563A SE158563A SE194336C1 SE 194336 C1 SE194336 C1 SE 194336C1 SE 158563 A SE158563 A SE 158563A SE 158563 A SE158563 A SE 158563A SE 194336 C1 SE194336 C1 SE 194336C1
- Authority
- SE
- Sweden
- Prior art keywords
- layer
- packaging material
- material according
- air
- binder
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 35
- 239000010410 layer Substances 0.000 claims description 29
- 239000005022 packaging material Substances 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 4
- 239000002657 fibrous material Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920000297 Rayon Polymers 0.000 claims 1
- 239000002964 rayon Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 240000002871 Tectona grandis Species 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J107/00—Adhesives based on natural rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J121/00—Adhesives based on unspecified rubbers
-
- C09J7/0214—
-
- C09J7/0246—
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/383—Natural or synthetic rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2407/00—Presence of natural rubber
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2415/00—Presence of rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2421/00—Presence of unspecified rubber
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Wrappers (AREA)
- Paper (AREA)
Description
Uppfinnare: I Olsson
Foreliggande uppfinning avser ett forpackningsmaterial, inriefattande ett basskikt av papper, vav, plast eller dylikt, vilket skikt pa sin ena sida är forsett med ett bindemedelsskikt.
Andamalet med uppfinningen ãr att &tadkomma ett forpackningsmaterial av ovannamnda slag, varvid detta material utan hophaftning skall kunna lagras i form av exernpelvis arktravar eller rullar. Vid utsattandet for ett st8rre tryck an det utsattes for vid lagringen skall det daremot fungera pa samma satt som till exempel vanlig tape.
Ett forpackningsamterial, som uppfyller ovannamnda fordringar, astadkommes enligt uppfinningen darigenom, att bindemedelsskiktet tackes av ett tackskikt av ett tunt porost material, vilket vid forpackningsmaterialets lagring forhindrar dess hophaftning, men som vid utsattandet for ett tryck slapper igenom en del av bindemedlet.
Lampligen valjes fdr tacksIdktet ett icke dammande material, endr damm nedsatter vidhaftningsformagan vid den senare anvandningen. Taekskiktet kan exempelvis best& av ett harda fibrer innehallande fibrOst material. Genom att harda fibrer i motsats till mjuka icke plattas ut utan i stallet pressas in i bindemedelsskiktet vid anvandningen, forbattras vidhaftningsformagan ytterligare.
Om sasom tackskikt anvandes ett krappat material, t. ex. samma eller ett nagot tunnare material an det, som anvandes i Duniservetten, kan man vid paforandet stracka materialet och darigenom erhalla ett myeket slatt och jamnt tackskikt. Krappningen underlattar dessutom paforandet genom att materialet formar att aven upptaga de tojningar, som erfordras for samordningen av en bana av basmaterialet med en motsvarande bana av materialet for thekskiktet. Vid krdppat material foreligger .alltsa mindre risk, att tackskiktet skall brista vid paforandet med atfoljande komplikationer.
Sasom framgar av det ovanstaende kan forpackningsmaterialet enligt uppfinningen astadkommas genom sammanforandet av en med ett bindemedelsskikt forsedd bana av basmaterialet med en bana av tackskiktet. I stallet for det ovannamnda, harda fibrer innehallande, fibrosa materialet kan man tanka sig manga andra material, som ge samma eller vasentligen samma effekt. Exempelvis tor-de man kunna anvanda tunn vav, till exempel gasvav. Vidare är det joke nodvandigt att tackskiktet pdfores i form av en sammanhangande bana. Det kan ndmligen alien astadkommas genom att man pa det adhesiva bindemedelsskiktet stror ett lager av losa fibrer, korn eller dylikt, varvid det overflodiga materialet kan blasas eller sugas bort.
Sasom bindemedelsskikt anvandes
gen naturligt eller syntetiskt gummi och/eller harts eller derivat darav. Bindemedlet kan exem.pelvis baseras pa ett eller flera av
följande dmnen ,GR-S, neopren, polyisobuten, alkydharts, etylcellulosa, hartsderivat, akrylharts, vinylharts (till exempel polyvinylharts och sampolymerer) naturlatex etc. Harvid kan man sasom mjukningsmedel anvanda till exempel ricinolja, diisobutyladipat eller diisooktylftalat. Aven andra mjukningsmedel kunna dock naturligtvis anvandas.
Vid ett praktiskt Mrs& anvandes ett bindemedel med foljande sammansattning:
viktdelar butengumrai (50 % dispersion) 25 viktdelar kolofonium (40 % dispersion) 2 viktdelar rieinolja
Delta bindemedel pafordes ett basmaterial bestaende av kraftpapper med 15 gram per m2, varefter bindemedlet tacktes av ett tunt krappat silkepappersliknande material. Den erhallna produkten hade vid utsaltandet for tryck god vidhaftningsfOrmaga vid andra material. Sarskilt effektiv vidhaftning erhalls, nar tva fastytor av samma material lades mot varandra och utsattes for ett tryck. Den er-
Dupl. kl. 22 i: 2
2—
hallna forseglingen kunde efter att isardragits kterforslutas.
I stallet for ett adhesivt bindemedel ar det aven mojligt att anvanda ett kohesivt sadant, det viii saga ett som endast faster mot ytor av liknande slag, varvid alltsa avsikten dr den, att tvd med sadana bindemedel forsedda ytor tackta av tackskikt skola laggas mot varandra oeh forseglas medelst tryck.
--Sasout basmaterial dr framst kraftpapper avsett att anvandas. liven andra material kunna dock komma till anvandning sasom
plast arkmaterial av naturliga eller syntetiska fibrer, olika slag av filinmaterial etc. -
Pa fOrpackningsmaterialets forseglingseffekt inverkar bland annat foljande faktorer; porisitet, ytvikt och hardhet hos materialet taekskiktet samt klibbkraft och tjocklek hos bindemedlet. I viss man inverkar aven hardbeten hos materialeti basskiktet. _
Uppfinningen är icke inskrankt till vad som ovan sasom exempel beskrivits, utan kan varieras inom ramen for efterfoIjande patentansprak. Exempelvis kan man for de olika materialskikten aven anvanda andra material an de ovan namnda. Valet av material blir harvid beroende pa det andamal, for vilket produkten skull anvandas. Forseglingen kan .crempelvis i -beroende air materialet dels fackskiktet, dels basskiktet goras antingen aterfOrslutbar eller icke aterforsluthar. I det senare fallet galler samma villkor som vid till exempel icke aterfarslutbara tapeliknande material, dirs. att bindemedlets hallfasthet skall valjas stone an basmaterialets, eller det materials, vid vilket vidhaftning sker, sa att brott icke sker i bindemedelsskiktet utan .1 stallet
i sjalva basmaterialet och/eller i sistnamnda material. Aven ytterligare modifikationer kunna tankas mom ramen for uppfinningen.
Claims (7)
1. Forpaclulingsmaterial, innefattande ett basskikt air papper, \ray, plast eller dylikt, vilket skikt pd sin ena sida ar fOrsett med ett bindemedelsskikt, kanneteeknat av att bindemedelsskiktet i sin tur ar tackt av ett tackskikt av ett tunt parost material, vilket vid forpackningsmaterialets -lagring i form av exempelvis arktravar eller rullar forhindrar dess hophaftning, men som vid utsattandet for ett tryck slapper igenom en del air bindemedlet.
2. Forpackningsmaterial enligt patentanspraket 1, kanneteclmat av att tackskiktet be-star air ett icke dammande material.
3. Forpackningsmaterial enligt patentanspraket 1, kannetecknat av att tackskiktet be-star av ett harda fibrer innehallande fibrost material.
4. Forpackningsmaterial enligt patentanspraket 3, kannetecknat av _att materialet i tdaskiktet ar krappat samt att det vid paforandet strackts.
5. Forpaekningsmaterial enligt patentanspraket 1, ka.nnetecknat av att tackskiktet be-star av tunn vav, till exempel gasvav.
6. Forpackningsmaterial enligt patentanspraet 1; kthmeteanat air att tackskiktet be-star av pa bindemedelsskiktet utspridda losa fibrer, korn eller dylikt.
7. Forpackningsmaterial enligt patentanspraket 1, kannetecknat air att bindemedelsskiktet bestdr air naturligt eller syntetiskt aummi och eller harts eller derivat darav. Anftirda publikationer:
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE643767D BE643767A (sv) | 1963-02-13 | ||
| SE158563A SE194336C1 (sv) | 1963-02-13 | 1963-02-13 | |
| FI640266A FI44780C (sv) | 1963-02-13 | 1964-02-11 | Förpackningsmaterial. |
| GB5920/64A GB1056136A (en) | 1963-02-13 | 1964-02-12 | Packing material |
| NL6401218A NL6401218A (sv) | 1963-02-13 | 1964-02-12 | |
| CH164764A CH422638A (de) | 1963-02-13 | 1964-02-12 | Verpackungsmaterial |
| AT122164A AT248323B (de) | 1963-02-13 | 1964-02-13 | Verpackungsmaterial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE158563A SE194336C1 (sv) | 1963-02-13 | 1963-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE194336C1 true SE194336C1 (sv) | 1965-02-09 |
Family
ID=20258459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE158563A SE194336C1 (sv) | 1963-02-13 | 1963-02-13 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT248323B (sv) |
| BE (1) | BE643767A (sv) |
| CH (1) | CH422638A (sv) |
| FI (1) | FI44780C (sv) |
| GB (1) | GB1056136A (sv) |
| NL (1) | NL6401218A (sv) |
| SE (1) | SE194336C1 (sv) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE364388B (sv) * | 1968-07-01 | 1974-02-18 | J Swasey | |
| DE3012342C2 (de) * | 1980-03-29 | 1984-08-16 | Scheuch Folien- und Papierverarbeitung GmbH & Co KG, 6109 Mühltal | Mehrschichtfolie und Verfahren zum Verschluß von Gefäßen |
| DE3225023A1 (de) * | 1981-08-07 | 1983-02-24 | Jürgen 4005 Meerbusch Hanke | Mit haftkleber beschichtete folie und mit einer mit haftkleber beschichteten folie verschlossener behaelter |
| NL9301425A (nl) * | 1993-08-17 | 1995-03-16 | Rogeco Handelsonderneming | Op gemakkelijke wijze op een ondergrond aanbrengbaar c.q. daarvan verwijderbaar behang. |
| ES2112748B1 (es) * | 1995-02-16 | 2000-01-16 | Rogeco Handelsonderneming | Papel de empapelar que se puede aplicar o quitar facilmente de un sustrato. |
| AT404476B (de) * | 1995-02-17 | 1998-11-25 | Rogeco Handelsonderneming | Tapete, welche leicht auf ein substrat aufgebracht oder von diesem entfernt werden kann |
-
0
- BE BE643767D patent/BE643767A/xx unknown
-
1963
- 1963-02-13 SE SE158563A patent/SE194336C1/sv unknown
-
1964
- 1964-02-11 FI FI640266A patent/FI44780C/sv active
- 1964-02-12 NL NL6401218A patent/NL6401218A/xx unknown
- 1964-02-12 GB GB5920/64A patent/GB1056136A/en not_active Expired
- 1964-02-12 CH CH164764A patent/CH422638A/de unknown
- 1964-02-13 AT AT122164A patent/AT248323B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| NL6401218A (sv) | 1964-08-14 |
| AT248323B (de) | 1966-07-25 |
| FI44780B (sv) | 1971-08-31 |
| FI44780C (sv) | 1971-12-10 |
| BE643767A (sv) | |
| CH422638A (de) | 1966-10-15 |
| GB1056136A (en) | 1967-01-25 |
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