HU186358B - Rotating foil blowing tool with internal foil cooling - Google Patents

Rotating foil blowing tool with internal foil cooling

Info

Publication number
HU186358B
HU186358B HU79UO159A HUUO000159A HU186358B HU 186358 B HU186358 B HU 186358B HU 79UO159 A HU79UO159 A HU 79UO159A HU UO000159 A HUUO000159 A HU UO000159A HU 186358 B HU186358 B HU 186358B
Authority
HU
Hungary
Prior art keywords
foil
internal
cooling
rotating
blowing tool
Prior art date
Application number
HU79UO159A
Other languages
Hungarian (hu)
Inventor
Bodo Tragsdorf
Helmar Franz
Original Assignee
Veb Kombinat Umformtechnik "Herbert Warnke" Erfurt,Dd
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" Erfurt,Dd filed Critical Veb Kombinat Umformtechnik "Herbert Warnke" Erfurt,Dd
Publication of HU186358B publication Critical patent/HU186358B/en

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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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

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)
HU79UO159A 1978-07-07 1979-07-06 Rotating foil blowing tool with internal foil cooling HU186358B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20658478A DD137553B1 (en) 1978-07-07 1978-07-07 ROTATING FILM BUBBLE TOOL WITH FILM INNER COOLING

Publications (1)

Publication Number Publication Date
HU186358B true HU186358B (en) 1985-07-29

Family

ID=5513515

Family Applications (1)

Application Number Title Priority Date Filing Date
HU79UO159A HU186358B (en) 1978-07-07 1979-07-06 Rotating foil blowing tool with internal foil cooling

Country Status (8)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326870A1 (en) * 1982-09-02 1984-03-08 VEB Kombinat Umformtechnik "Herbert Warnke" Erfurt, DDR 5010 Erfurt ROTATING FILM BLOWING TOOL WITH CENTRAL MELT FEEDING AND FILM INTERNAL COOLING
US4784594A (en) * 1983-03-11 1988-11-15 Mobil Oil Corporation Single lip rotary tubular extrusion die
DE3481901D1 (en) * 1983-03-11 1990-05-17 Mobil Oil Corp SINGLE-LOBED ROTATING NOZZLE.
DE3331832C1 (en) * 1983-09-03 1985-01-10 Reifenhäuser GmbH & Co. Maschinenfabrik, 5210 Troisdorf Vertical working die head
US20100072655A1 (en) * 2008-09-23 2010-03-25 Cryovac, Inc. Die, system, and method for coextruding a plurality of fluid layers
DE102020127105A1 (en) 2020-10-15 2022-04-21 Reifenhäuser GmbH & Co. KG Maschinenfabrik BLOWN FILM LINE, METHOD FOR MANUFACTURING A BLOWN FILM WEB AND FILM MANUFACTURED THEREOF

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1729129A1 (en) * 1968-03-18 1971-06-09 Windmoeller & Hoelscher Film die head for the production of tubular films
US3933958A (en) * 1971-03-22 1976-01-20 Reynolds Metals Company Method of making tubular plastic film
DE7412102U (en) * 1974-04-05 1975-12-11 Windmoeller & Hoelscher Rotatable film die head for the production of tubular films from thermoplastic masses
DE2445545A1 (en) * 1974-09-24 1976-04-01 Windmoeller & Hoelscher FILM BLOW HEAD FOR THE MANUFACTURE OF TUBULAR FILM
DE2509024C3 (en) * 1975-03-01 1985-04-25 Reifenhäuser KG, 5210 Troisdorf Device for the production of plastic films by blowing
DE2610335A1 (en) * 1975-04-23 1976-11-04 Plast Elastverarbeitungsmasch FILM BLOWING TOOL

Also Published As

Publication number Publication date
DE2915835A1 (en) 1980-01-17
RO83006A (en) 1984-08-17
DD137553A1 (en) 1979-09-12
DD137553B1 (en) 1980-12-10
BG32598A1 (en) 1982-09-15
YU157479A (en) 1982-10-31
SU1046111A1 (en) 1983-10-07
RO83006B (en) 1984-09-30
CS231251B1 (en) 1984-10-15
DE2915835C2 (en) 1983-12-22

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