SU729082A1 - Экструзионна головка дл формовани изделий из полимерных материалов - Google Patents

Экструзионна головка дл формовани изделий из полимерных материалов Download PDF

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Publication number
SU729082A1
SU729082A1 SU782676054A SU2676054A SU729082A1 SU 729082 A1 SU729082 A1 SU 729082A1 SU 782676054 A SU782676054 A SU 782676054A SU 2676054 A SU2676054 A SU 2676054A SU 729082 A1 SU729082 A1 SU 729082A1
Authority
SU
USSR - Soviet Union
Prior art keywords
extrusion head
polymeric articles
moulding polymeric
moulding
screw
Prior art date
Application number
SU782676054A
Other languages
English (en)
Inventor
Виктор Иванович Вагин
Герц Самуилович Вайнштейн
Мота Бениаминович Хейфец
Original Assignee
Предприятие П/Я Р-6594
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 Предприятие П/Я Р-6594 filed Critical Предприятие П/Я Р-6594
Priority to SU782676054A priority Critical patent/SU729082A1/ru
Application granted granted Critical
Publication of SU729082A1 publication Critical patent/SU729082A1/ru

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Classifications

    • 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
    • B29C48/32Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

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

Description

многозаходной- винтовой основной нарезкой 5 по наружной поверхности и с дополнительной винтовой нарезкой 6 по наружной поверхности5 противоположной по направлению основной нарезке 5, Мундштук 2 крепитс  к корпусу I фланцем 7. В дорне 4 выполнен подвод щий канал 8, переход щий в радиальные каналы 9.
Дл  подачи воздуха внутрь издели  предусмотрен канал 10. К корпу су 1 Крепитс  переходник 11,
В процессе работы расплав полимера нагнетаетс  по каналу 8 экструдером /на чертежах не показан/ в радиальные каналы 9. Далее пО винтовым каналам 5 6 многократно сталкива сь и перемешива сь , расплав приобретает необходимую однородность распределени  температурных и силовых характеристик. Подготовленный расплав, плавно выход  из винтовых каналов 5,6 дорна 4 в зазор между дорном 4 и внутренней стенкой .корпуса 1, приобретает кольцевую форму , К формующему каналу 3 подходит гомогенный расплав, обеспечивающий получение качественного издели .
Экструзионна  головка позвол ет получать высококачественные издели  из различных полимерных материалов.

Claims (2)

1.Патент ФРГ № 2009914, кл, 39 7/04,. 07.03.74.
2.Авторск.ое свидетельство СССР K: 396270, кл, В 29 Г 3/04, 28.06.71 прототип .)
Рич. /
А-А
Pu.S
SU782676054A 1978-10-20 1978-10-20 Экструзионна головка дл формовани изделий из полимерных материалов SU729082A1 (ru)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU782676054A SU729082A1 (ru) 1978-10-20 1978-10-20 Экструзионна головка дл формовани изделий из полимерных материалов

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU782676054A SU729082A1 (ru) 1978-10-20 1978-10-20 Экструзионна головка дл формовани изделий из полимерных материалов

Publications (1)

Publication Number Publication Date
SU729082A1 true SU729082A1 (ru) 1980-04-20

Family

ID=20790124

Family Applications (1)

Application Number Title Priority Date Filing Date
SU782676054A SU729082A1 (ru) 1978-10-20 1978-10-20 Экструзионна головка дл формовани изделий из полимерных материалов

Country Status (1)

Country Link
SU (1) SU729082A1 (ru)

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