RO83006B - DISPOZITIV ROTATIV DE INSUFLAT FOI PREVAZUT CU MIJLOACE DE RACIRE îN INTERIORUL ACESTORA - Google Patents

DISPOZITIV ROTATIV DE INSUFLAT FOI PREVAZUT CU MIJLOACE DE RACIRE îN INTERIORUL ACESTORA

Info

Publication number
RO83006B
RO83006B RO98074A RO9807479A RO83006B RO 83006 B RO83006 B RO 83006B RO 98074 A RO98074 A RO 98074A RO 9807479 A RO9807479 A RO 9807479A RO 83006 B RO83006 B RO 83006B
Authority
RO
Romania
Prior art keywords
intermediate piece
introduction
pipes
air
annular gap
Prior art date
Application number
RO98074A
Other languages
English (en)
Other versions
RO83006A (ro
Inventor
Bodo Tragsdorf
Helmar Franz
Original Assignee
Veb Kombinat Umformtechnik"Herbert Warnke"
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 Veb Kombinat Umformtechnik"Herbert Warnke" filed Critical Veb Kombinat Umformtechnik"Herbert Warnke"
Publication of RO83006A publication Critical patent/RO83006A/ro
Publication of RO83006B publication Critical patent/RO83006B/ro

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/89—Internal treatment, e.g. by applying an internal cooling fluid stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Continuous Casting (AREA)

Abstract

Dispozitiv rotativ de insuflat foi, prevazut cu mijloace de racire în interiorul acestora si de introducere centrala a materialului topit, conform inventiei, este format dintr-o piesa intermediara, prevazuta cu canale de curgere în forma de stea, precum si dintr-un cap de duza cu interstitiu inelar si niste tevi axiale, pentru introducerea si evacuarea aerului, concentrice între ele si legate cu niste tevi de legatura radiala. Piesa intermediara este dispusa stationar între canalele de curgere se desfasoara în forma de stea. Pentru introducerea si evacuarea aerului sînt practicate niste canale, comuinicînd cu niste tevi stationare de introducere si de ecvacuare a aerului. între piesa intermediara si capul de duza cu interstitiu inelar estedispus un inel intermediar rotativ,legat de capul de duza cu interstitiu inelar. în acesta din urma este practicat un canal de curgere, avînf forma unui inel circular si întrerupt de niste nervuri de legatura.
RO98074A 1978-07-07 1979-07-06 DISPOZITIV ROTATIV DE INSUFLAT FOI PREVAZUT CU MIJLOACE DE RACIRE îN INTERIORUL ACESTORA RO83006B (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20658478A DD137553B1 (de) 1978-07-07 1978-07-07 Rotierendes folienblaswerkzeug mit folieninnenkuehlung

Publications (2)

Publication Number Publication Date
RO83006A RO83006A (ro) 1984-08-17
RO83006B true RO83006B (ro) 1984-09-30

Family

ID=5513515

Family Applications (1)

Application Number Title Priority Date Filing Date
RO98074A RO83006B (ro) 1978-07-07 1979-07-06 DISPOZITIV ROTATIV DE INSUFLAT FOI PREVAZUT CU MIJLOACE DE RACIRE îN INTERIORUL ACESTORA

Country Status (8)

Country Link
BG (1) BG32598A1 (ro)
CS (1) CS231251B1 (ro)
DD (1) DD137553B1 (ro)
DE (1) DE2915835C2 (ro)
HU (1) HU186358B (ro)
RO (1) RO83006B (ro)
SU (1) SU1046111A1 (ro)
YU (1) YU157479A (ro)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326870C2 (de) * 1982-09-02 1987-04-16 VEB Kombinat Umformtechnik "Herbert Warnke" Erfurt, DDR 5010 Erfurt Rotierendes Folienblaswerkzeug mit zentraler Schmelzezuführung und Folieninnenkühlung
US4784594A (en) * 1983-03-11 1988-11-15 Mobil Oil Corporation Single lip rotary tubular extrusion die
EP0122703B1 (en) * 1983-03-11 1990-04-11 Mobil Oil Corporation Single lip rotary die
DE3331832C1 (de) * 1983-09-03 1985-01-10 Reifenhäuser GmbH & Co. Maschinenfabrik, 5210 Troisdorf Vertikal arbeitender Folienblaskopf
DE102020127105A1 (de) 2020-10-15 2022-04-21 Reifenhäuser GmbH & Co. KG Maschinenfabrik Blasfolienanlage, verfahren zum herstellen einer blasfolienbahn und damit hergestellte folie

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729129A1 (de) * 1968-03-18 1971-06-09 Windmoeller & Hoelscher Folienblaskopf zur Herstellung von Schlauchfolien
US3933958A (en) * 1971-03-22 1976-01-20 Reynolds Metals Company Method of making tubular plastic film
DE7412102U (de) * 1974-04-05 1975-12-11 Windmoeller & Hoelscher Drehbarer Folienblaskopf zur Herstellung von Schlauchfolien aus thermoplastischen Massen
DE2445545A1 (de) * 1974-09-24 1976-04-01 Windmoeller & Hoelscher Folienblaskopf fuer die herstellung von schlauchfolien
DE2509024C3 (de) * 1975-03-01 1985-04-25 Reifenhäuser KG, 5210 Troisdorf Vorrichtung für die Herstellung von Kunststoffolien durch Blasen
DE2610335A1 (de) * 1975-04-23 1976-11-04 Plast Elastverarbeitungsmasch Folienblaswerkzeug

Also Published As

Publication number Publication date
DD137553A1 (de) 1979-09-12
BG32598A1 (bg) 1982-09-15
SU1046111A1 (ru) 1983-10-07
RO83006A (ro) 1984-08-17
HU186358B (en) 1985-07-29
DD137553B1 (de) 1980-12-10
DE2915835C2 (de) 1983-12-22
YU157479A (en) 1982-10-31
CS231251B1 (en) 1984-10-15
DE2915835A1 (de) 1980-01-17

Similar Documents

Publication Publication Date Title
US4080143A (en) Cooling apparatus for air cooling tubular plastics film made by a foam blowhead
JPS56167897A (en) Fan
FR2262200B1 (ro)
GB665247A (en) Improvements in or relating to combustion apparatus
ES348918A1 (es) Un procedimiento para fabricar negro de humo.
GB1389428A (en) Device for producing hot gases
US1810131A (en) Device for mixing gases and liquids
RO83006B (ro) DISPOZITIV ROTATIV DE INSUFLAT FOI PREVAZUT CU MIJLOACE DE RACIRE îN INTERIORUL ACESTORA
GB1422625A (en) Extrusion blowhead for tubular film
FR2319774A1 (fr) Dispositif carburateur pour un moteu
GB1326429A (en) Production of high-velocity gas jets
ES471358A1 (es) Perfeccionamientos introducidos en la fabricacion de ladri- llos moldeados refractarios de boca de salida para hornos defundicion
CA2155135A1 (en) Air rings for cooling blown plastic film
GB620270A (en) Improvements in or relating to turbine apparatus
GB739749A (en) Apparatus or device for depuration of smoke and gases in general to be fixed on chimneys
JPS54140230A (en) Powdery coal combustion system
FR2129106A6 (en) Centrifugal turbine aerator - for treatment of waste water modified to improve air/water contact
GB853108A (en) Combustion system
JPS5581228A (en) Combustor for gas turbine
GB935383A (en) Improvements in or relating to turbines
GB1446506A (en) Method and apparatus for the manufacture of carbon black
GB606478A (en) Improvements in or relating to muzzle brakes and like reaction devices
GB764596A (en) Improvements in combustion apparatus
GB1502413A (en) Burners
UA16908A1 (uk) Сопловий апарат газової турбіhи