SU383616A1 - EXTRUSION HEAD FOR THE MANUFACTURE OF TUBULAR POLYMERIC PRODUCTS - Google Patents

EXTRUSION HEAD FOR THE MANUFACTURE OF TUBULAR POLYMERIC PRODUCTS

Info

Publication number
SU383616A1
SU383616A1 SU1626523A SU1626523A SU383616A1 SU 383616 A1 SU383616 A1 SU 383616A1 SU 1626523 A SU1626523 A SU 1626523A SU 1626523 A SU1626523 A SU 1626523A SU 383616 A1 SU383616 A1 SU 383616A1
Authority
SU
USSR - Soviet Union
Prior art keywords
manufacture
extrusion head
polymeric products
tubular polymeric
hollow
Prior art date
Application number
SU1626523A
Other languages
Russian (ru)
Inventor
Ю. Витвицкий Г. Д. Ловинский Ю. А. Жданов
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 filed Critical
Priority to SU1626523A priority Critical patent/SU383616A1/en
Application granted granted Critical
Publication of SU383616A1 publication Critical patent/SU383616A1/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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
    • B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Description

1one

Известна экструзиоина  головка дл  изготовлеии  трубчатых нолимерных изделий, содержаща  корНус, в котором с иомощью уиругих элемеитав установлен дориодержатель с дорном, контактирующий онорной поверхностью с оиорнюй поверхностью корпуса.The extrusion head is known for the manufacture of tubular polymer articles containing a cornus, in which, with the aid of uirugi elements, a doroyederzhatel is installed with a mandrel in contact with the mounting surface with the outer surface of the housing.

В предлагаемой головке уцругие элементы расположены симметрично относительио центральной оси дорна, например равномерно по о.круж,ности, а оиорные поверхности до,рнодержател  и корпуса .выполнены сферическими, благодар  чему обеспечиваетс  регулирование толишны стен.ки изготавливаемых изделий, в частности многослойных труб.In the proposed head, the other elements are arranged symmetrically with respect to the central axis of the mandrel, for example, uniformly around the circumference, and the oior surfaces of the holder and the body are spherical, thereby providing regulation of the wall thickness of the manufactured products, in particular multilayer pipes.

На чертеже схематично изображена предлагаема  экструзионна  головка дл  изготовлени  двухслойных трубчатых лзделий.The drawing shows schematically the proposed extrusion head for making two-layer tubular goods.

Голо.вка дл  нолучени  двухслойных трубjaTbix изделий и пленок содержит корпус /, в котором установлен пустотелый дорнодержатель 2, в полости которого выполнеиа сферическа  проточка 3. Внутрениий ДQpiHoдepжaтeль 4 прикреплен к хвостовнку нустотелого доркодержател  через р д упругих, например пружинных, элементов 5, прогиб которых может регулироватьс  гайками 6. Упругие элементы 5 установлены симетрич.ио и несоосно по отношению к дорнодержател м и могут быть расположены, например, равномерно поThe hollow for receiving double-layer pipes and Tbix products contains films /, in which a hollow key holder 2 is installed, in the cavity of which a spherical groove 3 is made. can be adjusted by nuts 6. Elastic elements 5 are installed symmetrically and non-axially with respect to the holders and can be arranged, for example, uniformly along

22

окружности. На внутреннем дорнодержателе выполнен сферический выступ 7, прижимаемый упругим.и элементами к поверхности сферической проточки пустотелого дор:нодержател . Болты 8 установлены в теле пустотелого дорнодержател  и служат дл  фиксации положени  внутреннего дорнодержател . К дорнодержател .м .прикреплены 9 н 10 с отверсти ми У/ и J2 дл  подвода материала отcircle. A spherical protrusion 7 is made on the inner back holder, pressed resiliently. The bolts 8 are installed in the body of the hollow port holder and serve to fix the position of the internal port holder. Attached to the core holder are 9 and 10 with holes V / and J2 for supplying material from

черв чных прессов. Отверст. сообщеиы с коллекторами 13 и 14, обесиечивающимл распределение материала. Канал головки образован входными отверсти ми У/ и 12, коллекторами , зазорами между пустотелым дорнодержателем и соответственно корпусом и внутренннм дорнодержателем, а также формующим зазором, образован:ным маприней 15 и дорпом 16, установленным на внутреннем дор,нодержателе . Отверстие 17 дл  подвода воздуха, раздувающего трубчатую заготовку, выполнено во внутреннем дорподержателе. Наружные поверхиости корпуса и пустотелого дорнодержател  снабженцы нагревател ми (на чертеже не изображены).Hearts presses. Hole. associated with the collectors of 13 and 14, demanding material distribution. The head channel is formed by the V / and 12 inlets, the collectors, the gaps between the hollow retainer and, respectively, the housing and the inner retainer, as well as the forming gap, are formed by: maprini 15 and darp 16 mounted on the inner road. The hole 17 for the supply of air, inflating the tubular billet, is made in the internal dorpoder. The outer surfaces of the hull and hollow outrigger supply suppliers are heaters (not shown in the drawing).

При работе черв чных прессов перерабатываемые материалы, отлнчающнес , напрнмер, цветом, поступают сответственно через входные отверсти  в коллекторы и равномерно запитывают зазоры между иустотелым дорнодержателем , корнусом, пустотелым дорнодержаWhen the worm presses work, the processed materials, in particular, color, flow accordingly through the inlet holes in the collectors and evenly feed the gaps between the hollow backplate, corns, hollow cores

SU1626523A 1971-02-22 1971-02-22 EXTRUSION HEAD FOR THE MANUFACTURE OF TUBULAR POLYMERIC PRODUCTS SU383616A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1626523A SU383616A1 (en) 1971-02-22 1971-02-22 EXTRUSION HEAD FOR THE MANUFACTURE OF TUBULAR POLYMERIC PRODUCTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1626523A SU383616A1 (en) 1971-02-22 1971-02-22 EXTRUSION HEAD FOR THE MANUFACTURE OF TUBULAR POLYMERIC PRODUCTS

Publications (1)

Publication Number Publication Date
SU383616A1 true SU383616A1 (en) 1973-05-23

Family

ID=20467057

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1626523A SU383616A1 (en) 1971-02-22 1971-02-22 EXTRUSION HEAD FOR THE MANUFACTURE OF TUBULAR POLYMERIC PRODUCTS

Country Status (1)

Country Link
SU (1) SU383616A1 (en)

Similar Documents

Publication Publication Date Title
US2423260A (en) Extrusion of tubing
US3836302A (en) Face plate ring assembly for an extrusion die
GB1263272A (en) Method for making resiliently faced rolls and rolls produced thereby
US3365750A (en) Extrusion die
GB1150411A (en) Perforate Thermoplastic Material and Apparatus and Method for the Manufacture thereof
GB1458379A (en) Fabric coating by extrusion die-calendering
GB1422625A (en) Extrusion blowhead for tubular film
IE38545B1 (en) Improvements in and relating to a method and apparatus for the production and accurate internal calibration of extruded thermiplastic tubular mouldings
NZ219184A (en) Extrusion die with cylindrical cellular aperture having air injection ports within aperture cells
SU383616A1 (en) EXTRUSION HEAD FOR THE MANUFACTURE OF TUBULAR POLYMERIC PRODUCTS
US3270371A (en) Axial extruder head with mandrel for extruding hollow profiles
GB1321431A (en) Extruder die head
KR970706928A (en) Method and apparatus for supplying molten metal to mold
GB1166521A (en) Rotating Die Cap for Extrusion Die
US3832116A (en) Porous die plate extruder
GB1188907A (en) Extrusion Apparatus.
US5702664A (en) Method of and apparatus for extrusion-molding a laminated parison, and a vessel produced from the laminated parison
GB1270442A (en) Composite tubular film process and apparatus
US5297946A (en) Multilayer parison extruder
GB1384979A (en) Extrusion die for blowing plastic film
GB1462888A (en) Method and apparatus for producing composite pipe
GB1166493A (en) Pelletizing Machine
US3771933A (en) Mold for forming a metal cored elastomeric roll
GB1432291A (en) Method and apparatus for producing plastic tubes
JPS5743849A (en) Head structure extruding in two layer