• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1521821 Continuously moulding foamed articles UPJOHN CO 5 Jan 1976 [28 Jan 1975] 00230/76 Heading B5A A double belt type moulding apparatus for the continuous production of tube parts of foamed material which are interconnected by relatively thin material providing one or more hinges, includes mould segments 3, 4 attached to conveying means 1 which are brought together to provide a mould cavity therebetween into which a foam material is fed. After foaming and removal of the moulding, the tube parts may be swung about their hinge or hinges to enclose a pipe and act as a heat insulator. The tube parts, Fig. 5, may comprise two different foamed layers 12a, 12b using apparatus in which the lower mould half conveyer belt is associated with two separate upper mould half conveyer belts allowing the second foam to be supplied to a larger mould cavity after the first foam has been delivered. The parting surfaces of the mould segments may be contoured to provide interengagement between the tube parts when they are swung together. Shell type inserts may be positioned in each tube part cavity and held therein during the foaming process.
    公开号:SU865121A3
    申请号:SU762315901
    申请日:1976-01-23
    公开日:1981-09-15
    发明作者:Мозер Курт
    申请人:Дзе Апджон Компани；
    IPC主号:
    专利说明:

    (54) METHOD OF MANUFACTURING PRODUCTS FROM FOAM
    one
    The invention relates to the manufacture of porous or cellular articles, and specifically to a method for producing foam products.
    There is a known method of manufacturing foam plastic pieces by pressing in a mold, the half-molds of which are fixed on synchronously moving belt conveyors arranged one above the other and forming a channel corresponding to the shape of the product being made, and fixed dory flj,
    However, in this method there is considerable friction between the forming surfaces and the doriomes.
    There is also known a method of making foam products by pressing in the form of a semi-cylinder with the subsequent connection of the molded shells 2. However, the combination of products between them complicates the process of its manufacture.
    The aim of the invention is to simplify the manufacturing process.
    The goal has been achieved in that, according to the method of making foam products in the way. Pressing in the form of a product is obtained in the form of its development, divided into parts, connected by a jumper.
    with the subsequent folding and joining of these parts in the shape of the manufactured product.
    Fig. 1 shows the shape of the product, the sectional view, in Figures 2 and 3, f9PMA with a multi-layered product; in Fig. 4, the product with feet in the joints of the halves; figure 5 - diagram of the device; figure 6 - view of the packing of 10 items during their transportation.
    The product in the fshmrma formed by the upper 1 lower 2 half-molds is obtained by pouring or extruding the composition in the form of its sweep, for example, three segments 3 connected by a thin jumper 4. The product can be obtained in the form of segments (figure 2 / of two or more layers, and the other layers also form segments 5 and ne20 pe1 "1 points 6.
    This method involves the production of: c. the preformed elements 7 of FIG. 3), which are held in shape until the foam is filled with the element 8. To facilitate the centering of the sweep parts along the parting line of the product, protrusions 9 and troughs a, which interact with the phasing of the parts of the product (Fig. 4) are performed.
    thirty
    The method for producing a hollow article in the form of a profile allows it to be used for continuous production on conveyors bearing half-molds. Thus, the polymers 1 are mounted on the conveyor 10, and semi-mold 2 on the conveyor 11. Through the casting mechanism 12, the composition is poured into the semi-mold 2, the anti-adhesive film 13 is pre-inserted or a liquid anti-adhesive is applied from the device 14.
    The described variants of the manufactured product can be obtained in a continuous way, ensuring the supply of materials that form additional layers of this product.
    This method provides hollow products with deep external and internal ribs. In addition, due to the receipt of a hollow product in the form of a sweep, which eliminates its deformation, it is possible to store and transport them nested into each other, which is abrasive V Y X
    saves the volume occupied by these products (Fig.6.
    The implementation of this method simplifies the process of making hollow laminates.
    权利要求:
    Claims (2)
    [1]
    Invention Formula
    A method of manufacturing foam products by pressing in a mold,
    characterized in that, in order to simplify the manufacturing process, the product is obtained in the form of its unfolding, divided into parts, connected by a jumper, with subsequent folding
    and the combination of these parts in the form of the manufactured product.
    Sources of information taken into account in the examination 1. USSR author's certificate
    No. 519337, cl. At 29 D 27/00, 10/15/73.
    [2]
    2. Patent of France No. 1573743, cl. At 29 D 27/00, 07/04/69 (prototype).
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    1 I II I
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    类似技术:
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    MY121122A|2005-12-30|A process for the manufacturing of a load carrier.
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    同族专利:
    公开号 | 公开日
    FR2299145B3|1978-10-13|
    SE7600570L|1976-07-29|
    DE2503425B2|1977-04-14|
    JPS51100171A|1976-09-03|
    IT1061797B|1983-04-30|
    DD122941A5|1976-11-12|
    GB1521821A|1978-08-16|
    NL7600219A|1976-07-30|
    DE2503425A1|1976-07-29|
    US4087501A|1978-05-02|
    FR2299145A1|1976-08-27|
    引用文献:
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    CA705296A|1965-03-09|D. Voelker Walter|Foam articles manufacture|
    CA688679A|1964-06-16|Conch International Methane Limited|Sectional conduits|
    US1751430A|1928-07-25|1930-03-18|Canada Gypsum And Alabastine L|Process and apparatus for making cellular insulating material|
    US2315366A|1936-05-18|1943-03-30|Sponge Rubber Products Company|Converting bulk compound into vulcanized sponge rubber|
    US2540354A|1946-04-23|1951-02-06|Owens Illinois Glass Co|Method of making porous bodies|
    US2525880A|1948-01-30|1950-10-17|Us Rubber Co|Method of molding porous articles|
    US3078505A|1958-02-19|1963-02-26|Sheller Mfg Corp|Continuous weather strip machine|
    US3020587A|1958-04-03|1962-02-13|Sterling Alderfer Company|Process and apparatus for the manufacture of sealing strips or gaskets|
    US3515624A|1964-07-08|1970-06-02|Central Mfg District|Structural material of expanded minerals and method for manufacture|
    US3429956A|1964-09-14|1969-02-25|Upjohn Co|Method and apparatus for continuously casting elongated foam-cored laminates|
    US3413389A|1965-07-21|1968-11-26|Rubber Mills Pty Ltd Sa|Method of manufacturing a composite sealing strip|
    US3432580A|1966-01-13|1969-03-11|Synfibrit Gmbh & Co|Method and means for producing foamed silicate articles|
    US3319376A|1966-11-09|1967-05-16|Golderger Doll Mfg Co Inc|Molded floppy-limbed doll with cellular torso and limbs and substantially cell-free thin joints|
    US3824300A|1968-04-26|1974-07-16|Basf Wyandotte Corp|Method for continuously producing tubular bodies of foamed material|
    US3566446A|1969-02-05|1971-03-02|Cincinnati Milacron Inc|Mold simulator|
    GB1249422A|1969-05-27|1971-10-13|Miller Insulation And Engineer|Improvements in thermal insulation of pipes and the like and method of forming same|
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    US3795721A|1972-03-13|1974-03-05|Brick It Corp|Method for molding simulated brick and mold therefor|US4278625A|1977-02-25|1981-07-14|Gravi-Mechanics Co.|Field transplant systems and methods and components thereof|
    GB2021230B|1978-04-28|1982-05-19|Nippon Asbestos Co Ltd|Heat insulation systems|
    JPS6117695B2|1979-02-21|1986-05-08|Toyota Motor Co Ltd|
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    US5453231A|1993-10-29|1995-09-26|Nrg Barriers, Inc.|Method and apparatus for making foam product with venting channels and product therefrom|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19752503425|DE2503425C3|1975-01-28|Process for the continuous production of wholly or partially foamed hollow profiles|
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