GB449296A - Improvements relating to the manufacture of closed, hollow bodies from plastic materials - Google Patents

Improvements relating to the manufacture of closed, hollow bodies from plastic materials

Info

Publication number
GB449296A
GB449296A GB3570735A GB3570735A GB449296A GB 449296 A GB449296 A GB 449296A GB 3570735 A GB3570735 A GB 3570735A GB 3570735 A GB3570735 A GB 3570735A GB 449296 A GB449296 A GB 449296A
Authority
GB
United Kingdom
Prior art keywords
hollow
closed
manufacture
hollow bodies
plastic materials
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3570735A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JAN PUTTERLIK A SPOL
Original Assignee
JAN PUTTERLIK A SPOL
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 JAN PUTTERLIK A SPOL filed Critical JAN PUTTERLIK A SPOL
Priority to GB3570735A priority Critical patent/GB449296A/en
Publication of GB449296A publication Critical patent/GB449296A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
    • B28B3/26—Extrusion dies
    • B28B3/2627—Extrusion dies using means for making hollow objects with transverse walls, e.g. hollow objects closed on all sides

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

449,296. Moulding closed hollow bodies by extrusion machines. PUTTERLIK A SPOL, KOMANDITNI SPOLECNOST, J., 11, Spalena, Prague. Dec. 24, 1935, No. 35707. Addition to 424,117. [Class 87 (ii)] Ribs 2 are formed, preferably on two opposite sides, on the inner wall 1<1> of the doublewalled hollow core 1 of the extrusion press of the parent Specification, such that grooves are formed in the plugs inserted at intervals in the hollow strand whereby air is admitted from the front through the extruded hollow mass to the outlet of the hollow core where the plugs are severed.
GB3570735A 1935-12-24 1935-12-24 Improvements relating to the manufacture of closed, hollow bodies from plastic materials Expired GB449296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3570735A GB449296A (en) 1935-12-24 1935-12-24 Improvements relating to the manufacture of closed, hollow bodies from plastic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3570735A GB449296A (en) 1935-12-24 1935-12-24 Improvements relating to the manufacture of closed, hollow bodies from plastic materials

Publications (1)

Publication Number Publication Date
GB449296A true GB449296A (en) 1936-06-24

Family

ID=10380683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3570735A Expired GB449296A (en) 1935-12-24 1935-12-24 Improvements relating to the manufacture of closed, hollow bodies from plastic materials

Country Status (1)

Country Link
GB (1) GB449296A (en)

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