NO123401B - - Google Patents

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Publication number
NO123401B
NO123401B NO167109A NO16710967A NO123401B NO 123401 B NO123401 B NO 123401B NO 167109 A NO167109 A NO 167109A NO 16710967 A NO16710967 A NO 16710967A NO 123401 B NO123401 B NO 123401B
Authority
NO
Norway
Prior art keywords
heating container
heating
guide
granulate
container
Prior art date
Application number
NO167109A
Other languages
Norwegian (no)
Inventor
A Froehlich
Original Assignee
Opti Holding Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Opti Holding Ag filed Critical Opti Holding Ag
Publication of NO123401B publication Critical patent/NO123401B/no

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Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B35/00Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
    • C03B35/14Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
    • C03B35/22Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands on a fluid support bed, e.g. on molten metal
    • C03B35/24Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands on a fluid support bed, e.g. on molten metal on a gas support bed
    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44BBUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00Slide fasteners
    • A44B19/10Slide fasteners with a one-piece interlocking member on each stringer tape
    • A44B19/14Interlocking member formed by a profiled or castellated edge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154Coating solid articles, i.e. non-hollow articles
    • B29C48/155Partial coating thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/35Extrusion nozzles or dies with rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D5/00Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners
    • B29D5/08Producing elements of slide fasteners; Combined making and attaching of elements of slide fasteners the interlocking members being formed by profiled or castellated edge of a stringer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24Calendering

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Slide Fasteners (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Description

Innretning til opphetning av granulat av kunstharpiks, Device for heating granules of synthetic resin,

særlig for lydplatepressmasser. especially for sound record pressings.

Til forvarmning av termoplastisk lyd-platemasser som foreligger i form av granulat anvendes varmeovner i kammerform som kan opphetes elektrisk eller med gass eller damp. To preheat thermoplastic sound board masses that are in the form of granules, heaters are used in chamber form that can be heated electrically or with gas or steam.

For å skaffe en tilmålt og or lydplate-pressformen forvarmet mengde av granulatmasse, klar til å gripes av arbeideren ved pressformen, blir f. eks. en varmeovn for granulatmassen delt opp i flere kamre og eventuelt anordnet karusellformet. I pas-sende tidsintervall blir hver gang en por-sjon pressmasse, som fortrinnsvis er bakt sammen til en massekake, forvarmet i ovnskammeret og holdt parat for presning ved ovnsåpningen. In order to obtain a measured and pre-heated quantity of granulate mass, ready to be grasped by the worker at the press mould, e.g. a heater for the granulate mass divided into several chambers and optionally arranged in a carousel shape. At appropriate time intervals, each time a portion of pressed mass, which is preferably baked together into a mass cake, is preheated in the oven chamber and kept ready for pressing at the oven opening.

De nevnte varmeovner til forvarmning They mentioned heaters for preheating

av platemassene oppviser endel ulemper som virker uheldig for lydplatefremstillin-gen: For det første har disse varmeovner en forholdsvis stor varmekapasitet og krever tilsvarende lang tid for å nå den øn-skede temperatur. De granulatporsjoner som befinner seg i de enkelte kamre, opptar varmen ujevnt. Mens de nederste skikt og de enkelte porsjoner på bunnen av det opphetede kammer blir forholdsvis sterkt opphetet ved kontaktvirkning, får de opp-hopede granulatpartikler som hovedsaklig befinner seg i det indre, tilført forholdsvis lite varme. Bortsett fra at varme-energien ved anvendelse av slike ovner blir dårlig utnyttet, har en for langvarig termisk påkjenning av massen uheldige virkninger, særlig kan der ved varmekontaktstedene inntre en overhetning og en dermed forbundet spaltning av massen. of the plate masses exhibit a number of disadvantages that are detrimental to sound record production: Firstly, these heaters have a relatively large heating capacity and require a correspondingly long time to reach the desired temperature. The granule portions in the individual chambers absorb the heat unevenly. While the lowermost layers and the individual portions at the bottom of the heated chamber are relatively strongly heated by contact action, relatively little heat is supplied to the piled-up granulate particles which are mainly located in the interior. Apart from the fact that the heat energy when using such ovens is poorly utilised, too long a thermal stress on the mass has adverse effects, in particular overheating and a consequent splitting of the mass can occur at the heat contact points.

De nevnte ulemper blir ryddet av vei-en ved hjelp av oppfinnelsen, som går ut på en innretning bestemt til opphetning av granulat av kunstharpiks, særlig for lyd-plate-masser, og i første rekke er karakterisert ved at den består av en i og for seg kjent varmluftblåseinnretning og et med denne adskillbart forbundet opphetningsaggregat som dannes av en rørformet beholder hvori massen oppvarmes porsjonert i kunststoffbegre, som er plasert over hverandre og hvis bunner er perforert. Som be-holdere for granulatmassen anvendes for-delaktig ikke-metalliske kar, resp. kar med liten varmekapasitet, f. eks. kunststoffbegre med gjennomhullede, resp. silformede bunner. The aforementioned disadvantages are cleared of the road with the help of the invention, which consists of a device intended for heating granules of synthetic resin, especially for sound-record masses, and is primarily characterized by the fact that it consists of an in and a known hot air blowing device and a separately connected heating unit which is formed by a tubular container in which the mass is heated in portions in plastic cups, which are placed one above the other and whose bottoms are perforated. Non-metallic vessels are advantageously used as containers for the granulate mass, resp. vessels with a small heating capacity, e.g. plastic cups with perforated, resp. sieve-shaped bottoms.

En slik anordning byr på spesielle for-deler. Energibehovet til oppvarmning av granulatet er forholdsvis lite og utgjør bare i /8 sammenlignet med behovet ved anvendelse av en vanlig kammer-forvarmnings-ovn. Den termiske påkjenning av granulatet blir bare kortvarig, og varmetilførselen til granulatet skjer meget jevnt, da varm-luftstrømmen, som også går gjennom granulatmassen, kan overføre sin varme til de enkelte granuler direkte ved konveksjon. Ved anvendelse av begere plasert over hverandre og forsynt med gjennomhullede bunner, blir varmen utnyttet rasjonelt samtidig som en overhetning av granulatet unngås. Da ovnskappen, som fordelak-tig også består av kunststoff, f. eks. kan lages av hårdt papir eller lignende, har hele opphetningsinnretningen bare en liten varmekapasitet. Such a device offers special advantages. The energy requirement for heating the granulate is relatively small and amounts to only 1/8 compared to the requirement when using a normal chamber preheating furnace. The thermal stress on the granulate is only short-lived, and the heat supply to the granulate is very even, as the hot air stream, which also passes through the granulate mass, can transfer its heat to the individual granules directly by convection. By using cups placed one above the other and provided with perforated bottoms, the heat is used rationally while overheating of the granulate is avoided. As the oven cabinet, which advantageously also consists of plastic, e.g. can be made of hard paper or the like, the entire heating device only has a small heat capacity.

De karakteriserte trekk ved oppfinnel- The characterized features of invention

sen vil fremgå av tegningen som viser et utførelseseksempel. This will be apparent from the drawing which shows an exemplary embodiment.

Ved hjelp av en blåseinnretning 1 blir By means of a blowing device 1 becomes

luft tilsuget gjennom et filter 2 på suge- air drawn in through a filter 2 on the suction

siden og forvarmet i et fortrinnsvis elek- side and preheated in a preferably electric

trisk opphetet rør 3. Rørenden 4, som er ført i bue, munner ut i toppen av en rør- trically heated pipe 3. The pipe end 4, which is led in an arc, opens into the top of a pipe

formet beholder 5, hvori der befinner seg begere med granulatmasse plasert over hverandre. Varmluften som styres ved hjelp av en temperaturregulator 6 med kontroll-termometer 9, strømmer gjennom de med silformet bunn forsynte begere med granu- shaped container 5, in which there are cups with granulate mass placed one above the other. The hot air, which is controlled by means of a temperature regulator 6 with a control thermometer 9, flows through the sieve-bottomed beakers with granu-

lat, hvorved massen oppvarmes. Ved betje- lat, whereby the mass is heated. When operating

ning med en vektstang kan beholderen, ning with a barbell can the container,

som med en muffe 8 har føring på en søyle, which with a sleeve 8 has a guide on a column,

forskyves bort fra varmluftkanalen. I ut-førelseseksemplet på tegningen bevirker en oppsvingning av spaken 10 at den rørfor- is shifted away from the hot air duct. In the design example in the drawing, an upswing of the lever 10 causes the pipe

mede beholder trykkes ned og et beger som nettopp er fylt med granulat, og som er mede container is pressed down and a beaker which has just been filled with granules, and which is

stilt klar på en tallerken 7 nedenfor rørbe- set ready on a plate 7 below the tube

holderen, blir skjøvet etter inn i ovnen inn- i til den smekker inn på en fjærbelastet < holdeanordning. Samtidig frigis det øver- ] the holder, is then pushed into the oven until it snaps onto a spring-loaded < holding device. At the same time, it releases over- ]

ste beger i ovnen, hvor granulatet allerede i har antatt den nødvendige temperatur. Arbeideren ved pressen kan så fjerne og 1 place the beaker in the oven, where the granules have already reached the required temperature. The worker at the press can then remove and 1

tømme det og stille det tilbake igjen på i tallerknen for etterfylling. Ved hjelp av empty it and put it back on the plate for refilling. Using

spaken blir beholderen igjen tilsluttet : varmluftsstrømmen. the lever, the container is connected again: the hot air flow.

Størrelsen av begrene og diameteren The size of the cups and the diameter

av den opptagende beholder retter seg etter den mengde granulatmasse som behøves for en plate og skal varmes opp. Rør og begre kan skiftes ut på enkel måte. Det har vist seg hensiktsmessig å forsyne beger- of the absorbing container depends on the amount of granulate mass that is needed for a plate and is to be heated. Tubes and cups can be replaced easily. It has proven appropriate to supply beaker-

bunnen med konsentrisk forløpende slis- the bottom with concentrically running slots

ser. looking.

Etterfylling av begrene med granulat Refilling the cups with granules

såvelsom chargering av ovnen kan i stor utstrekning mekaniseres, alt etter driftens krav. as well as charging the furnace can be largely mechanized, depending on the requirements of the operation.

Således kan f. eks. granulat-opphetningsinnretningen kombineres med en doseringsinnretning slik at der i avhengighet av en vektstangbetj ening på en gang kan etterfylles doserte mengder granulat, for- Thus, e.g. The granulate heating device is combined with a dosing device so that dosed quantities of granules can be refilled at once depending on a lever operation, for

trinnsvis i et beger tilhørende opphetningsinnretningen, og frigis og uttas oppvarmet granulat, spesielt begere som er fylt med granulat og befinner seg i opphetningsinn- step by step in a cup belonging to the heating device, and heated granules are released and taken out, especially cups that are filled with granules and are located in the heating device

retningen. the direction.

Mens betjeningen av fyllingsanordning While operating the filling device

og varmluftrørovn ved en utførelse som vist på fig. 1 skjer separat, noe som krever to arbeidsveger og to vektstangbetj eninger for presseren, skjer dette i en og samme arbeidsgang ved en innretning i henhold and hot air tube furnace in an embodiment as shown in fig. 1 takes place separately, which requires two working paths and two lever operations for the press, this takes place in one and the same work cycle with a device according to

til oppfinnelsen som vist på fig. 2, som an-skueliggjør en kombinert opphetnings- og doseringsinnretning. to the invention as shown in fig. 2, which illustrates a combined heating and dosing device.

Ved hjelp av en blåseinnretning 11 Using a blowing device 11

blir luft tilsuget gjennom et filter 12 og forvarmet i et elektrisk opphetet rør 13. air is drawn in through a filter 12 and preheated in an electrically heated tube 13.

Røret ender i et konisk overgangsstykke The pipe ends in a conical transition piece

14 ved hvis overkant der er anbragt en 14 at whose upper edge there is placed one

pakning 15 i den ytre ring. Opphetnings- gasket 15 in the outer ring. heating

røret 16 opptar begrene 24 som er plasert ovenpå hverandre og fyllt med granulat- the tube 16 receives the cups 24 which are placed on top of each other and filled with granulate

masse. Det nederste beger sitter på pak- a lot. The bottom cup sits on the pack-

ningen så varmluftstrømmen, som sty- the hot air flow, which sty-

res med termostat 17 og kontrolleres med termostater 18, blir ført inn til granulat- res with thermostat 17 and controlled with thermostats 18, is fed into the granulate

massen gjennom bunnslisser i begrene. the mass through bottom slits in the cups.

Over opphetningsrøret befinner seg en for-rådsbeholder 20 med innbygget dosering- Above the heating pipe is a supply container 20 with built-in dosing

og fyllingsanordning 19. Det tomme beger 24 plaseres i opphetningsrøret, og ved and filling device 19. The empty beaker 24 is placed in the heating tube, and at

svingning av spaken 22 180° tømmes do-seringsbeholderen i fyllanordningen 19, og granulatmassen faller ned i begeret 24. I swinging the lever 22 180°, the dosing container in the filling device 19 is emptied, and the granulate mass falls into the beaker 24. I

forbindelse med vektstangbetj eningen av ioseringsinnretningen blir samtidig opp-letningsrøret, som er anbragt på et fø- in connection with the barbell operation of the ionizing device, the search tube, which is placed on a

ringsrør 21, løftet via en vektarm 23, og iet øverste beger på opphetningsrøret stø- ring tube 21, lifted via a weight arm 23, and in the top cup of the heating tube

ter derved mot et anslag 25 på doseringsinnretningen, så det skyves ned i opphet-ningsrøret, mens det underste beger i opp-hetningsrøret med den inneholdte opphe- thereby hits a stop 25 on the dosing device, so it is pushed down into the heating tube, while the lower beaker in the heating tube with the contained heating

tede granulatmasse blir trykket ut av rø- ted granulate mass is pressed out of red

ret og frigitt for å tas ut for presning. straightened and released to be taken out for pressing.

Claims (4)

1. Innretning til opphetning av gra-1. Device for heating gra- nulat av kunstharpiks, særlig for lydplate-masser, karakterisert ved at den består av en i og for seg kjent varmluftblåseinnretning og et med denne adskillbart forbundet opphetningsaggregat som dannes av en rørformet beholder hvori massen oppvarmes porsjonert i kunststoff begere, som er plasert over hverandre og hvis bunner er perforert. nulat of synthetic resin, especially for sound record masses, characterized by the fact that it consists of a hot air blowing device known per se and a separately connected heating unit formed by a tubular container in which the mass is heated in portions in plastic cups, which are placed one above the other and whose bottoms are perforated. 2. Innretning som angitt i påstand 1, karakterisert ved at opphetningsbeholderen (5 resp. 16) er festet på en føring, særlig på en muffe (8 resp. 21) ført på en søile, og er innrettet til å løftes av fra varmluft-.tilf ør selen ved hjelp av en spak (10 resp. 22) leddet til føringen. 2. Device as specified in claim 1, characterized in that the heating container (5 or 16) is fixed on a guide, in particular on a sleeve (8 or 21) guided on a column, and is designed to be lifted off from hot air .add the harness using a lever (10 or 22) to the link to the guide. 3. Innretning som angitt i påstand 2, karakterisert ved at avløftningsanordnin-gen er kombinert med en beger-fyllings-og tømningsinnretning bestående av den med manøvreringsspaken (10) over førin-gen (8) forbundne opphetningsbeholder og et i bevegelsesretningen for opphetningsbeholderen ovenfor eller nedenfor denne anordnet anslag til etterskyvning av et granulatbeger inn i ophetningsbeholderen. 3. Device as stated in claim 2, characterized in that the lifting device is combined with a beaker filling and emptying device consisting of the heating container connected to the operating lever (10) over the guide (8) and a heating container in the direction of movement above or below this there is a stop for pushing a granulate cup into the heating container. 4. Innretning som angitt i påstand 1, karakterisert ved at en manøvreringsspak (22) er festet eksentrisk på den over doseringsinnretningen (19) lagrede opphetningsbeholder og tillike sammenleddet med en føring (21) hvormed opphetningsbeholderen føres, samtidig som leddkoblingen er utformet slik at ved svingning av manøv-reringsspaken, opphetningsbeholderen (16) blir løftet av fra varmgass-tilførselen (14) ved hjelp av føringen (21), samtidig doserte mengder granulat blir frigitt av doseringsinnretningen, og det øverste granulatbeger (24) som befinner seg i opphetningsbeholderen, ved hjelp av anslaget (25) på doseringsinnretningen (19) blir skjøvet inn i opphetningsbeholderen og det nederste granulatbeger i denne samtidig frigitt.4. Device as stated in claim 1, characterized in that a maneuvering lever (22) is attached eccentrically to the heating container stored above the dosing device (19) and also connected with a guide (21) with which the heating container is guided, while the joint connection is designed so that at swinging the operating lever, the heating container (16) is lifted off from the hot gas supply (14) by means of the guide (21), at the same time dosed quantities of granules are released by the dosing device, and the top granulate cup (24) which is located in the heating container, by means of the stop (25) on the dosing device ( 19) is pushed into the heating container and the bottom granule cup in this is released at the same time.
NO167109A 1966-03-05 1967-03-03 NO123401B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEO0011498 1966-03-05
DEO0011499 1966-03-05
DEO0011496 1966-03-05

Publications (1)

Publication Number Publication Date
NO123401B true NO123401B (en) 1971-11-08

Family

ID=27211855

Family Applications (1)

Application Number Title Priority Date Filing Date
NO167109A NO123401B (en) 1966-03-05 1967-03-03

Country Status (10)

Country Link
AT (1) AT291150B (en)
BE (2) BE694944A (en)
CH (2) CH459542A (en)
DE (2) DE1610368B1 (en)
ES (2) ES337596A1 (en)
FI (1) FI46600B (en)
GB (2) GB1179922A (en)
NL (2) NL6703534A (en)
NO (1) NO123401B (en)
SE (2) SE344159B (en)

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JPS54159040A (en) * 1978-06-05 1979-12-15 Yoshida Kogyo Kk Fastener element train made of synthetic resin
FR2446876A1 (en) * 1979-01-17 1980-08-14 Delannoy Freres Extrusion coating conveyor belting fabrics - through gaps in the warp thread patter, to permit localised resin impregnation of fabric whilst taut
KR101880278B1 (en) * 2017-03-09 2018-08-16 김영애 Multi airtight type rail zipper

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GB979334A (en) * 1961-01-31 1965-01-01 Tadao Yoshida Apparatus for producing slide fasteners having interlocking elements of synthetic resin
DE1435780B2 (en) * 1964-07-27 1971-05-13 Alberts, Herbert, Sao Paulo (Brasi lien) INJECTION MOLDING DEVICE FOR MANUFACTURING PLASTIC ZIPPER LINKS ATTACHED TO STRAP
DE1229329B (en) * 1965-01-19 1966-11-24 Dr Hugo Wilcken Method and device for producing rows of zipper links in the form of helical springs

Also Published As

Publication number Publication date
ES337596A1 (en) 1968-10-16
ES337597A1 (en) 1968-10-01
NL6703533A (en) 1967-09-06
NL6703534A (en) 1967-09-06
GB1179922A (en) 1970-02-04
BE694943A (en) 1967-08-14
CH459543A (en) 1968-07-15
SE344159B (en) 1972-04-04
DE1610371A1 (en) 1970-11-05
DE1610368B1 (en) 1970-12-17
SE344538B (en) 1972-04-24
CH459542A (en) 1968-07-15
AT291150B (en) 1971-07-12
BE694944A (en) 1967-08-14
GB1179923A (en) 1970-02-04
FI46600B (en) 1973-01-31

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