BE681243A - - Google Patents
Info
- Publication number
- BE681243A BE681243A BE681243DA BE681243A BE 681243 A BE681243 A BE 681243A BE 681243D A BE681243D A BE 681243DA BE 681243 A BE681243 A BE 681243A
- Authority
- BE
- Belgium
- Prior art keywords
- particles
- styrene
- objects
- moula
- desc
- Prior art date
Links
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 2
- 241000614261 Citrus hongheensis Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/0446—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by increasing the density locally by compressing part of the foam while still in the mould
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/10—Applying counter-pressure during expanding
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
<Desc/Clms Page number 1>
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:,J'Obj3t d:> l'invention a .3': 1.1.11 procède d3 fabri- cation d'abjata an matière tharmoplaetiqua mousse par chauffage d nat14ree mousaas finement divisées, ancor'3 gonflables, dann das oul,i3 fermés d'où l'air ut Jf-5chap[,t1 de.a ;#.p G=.ati= > 3iip r'- sur a a leur poiI1.t 4e rJ==clLisaà.m>nt, la ..3 de3 particules étant >jogJ±1µZÔO a'lGà21 la chauffage 3n 2l'Î3i,ni pointa du
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moula,
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±,33 objets JU:1.)2 #3D più,fzÉ,"3i <14 3tj<'Ône Elous- 3d .jiiii"j g.éîx$r3±LiQCSI µC )pX>I41à àt',àLÀllI'3Ô,13àOXj 9: un p "? ? 2 ] l. d'3- lc:u:3l ;J .l rait t iÂz Q U ± h 8 1 'j 3 1, Q 3 3 È S $ fl PÔ u à b 1 li p ar :
1, 1,i l', 3 3 ± i n => :d , dd ù 1 ;, ç Qn O Q 1 > fl ¯? "à i' t L <T ,ù, 1 soient frit-cées an ob.i-c-, moula dont la f;>i,=e '.:orra?nd cella du moula, #i .rt*.inDJ axigancea Bca.niua *on% i::9':.a\93 aux obj3t3 soûles >iestJ,nés à l'omploi '::Q 1301::.1..'1.-':3 ou ', ¯¯ ';'¯1',iz'j de chocs. La rÉ513?,n,tte des >'II'JS- 393 3,A:gm3nz.> #io..i<sc ?,i<ar 4z.ns!,r4 3?31" Il J13t s0utai- table. D'.1It'J'1I dì!"'"l,,1 lj arT.ol3 fatràLrj"-1Ée 3G grands ioé." rie pour l'b311aGa. ixlà le] $éir'ljf,1m i33 objets oul5 souxlias A d'3;.: -?ffo"'t3 ai-àn< Il!:.;) t43L3f?2'îe mc?j'.inu3 3àÎiÉ3101Ill , Lf:::J,':1 t j l'-tnar'.ior'. =i z t ,:n.
;. c < ù <:1 à3 d fbri-
<Desc/Clms Page number 2>
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cation d'objets I=n1a1é3 en matière 9:a3: '- chauffaga de polymère de styrène nou310 ¯ nes, encora gcnflabla, dans des moules .i >1=, . - paut s'échap9ir, Q. dss températurea 3;)'-.;1."" de ramnllia3emint du polymère de styrcn. les particulss moussent et se fritte:;, , ¯ -. quel on comprime 1-33 particules en car :r'¯ .. z. moule après ramplisaaga et fermeture du -c¯'¯ : ... de le chauffer, On obtient ainsi des objets Izc.à14s 1¯.,.. ,: .i. ; plus grande densit é, donc une meilleure r:33 '..l:; :-. : .. ¯ . niqua, aux endroits où les particules ont ";8 -:0;:;.0:::,.., ;-J ;, Ce procédé convient à la fab:,....3.';' j;', 'l ..:: moulés en yo:'J7.1èrsJ du styrène. On enteni pua rr' . , -.. du styrène la polystyrène et les copolY!U8re d. : :,,- '"n: et de l'acrl:oni=ile par exemple.
LeJ 901J)rJ x .-.> . ses encore .gonflables du styrène peuvent '::') :J'O--;-3':'.'.; gur chauffa-:57 .1' ,ly-zèrea du styrène -;or:<:;: -: -1 .... flants. Las psrticulaa ont de préfére:l8 ',L;'. .iL=.,, : -=. , ¯..:. - forme da C,5 à , ,2 cm.
J\près l'introduction dans le Je<=1; j" t : :: ¯.. - ture du moule, on peut chauffer avantageusement :a3 par- ticules par soufflaie d'air chaud, de vapeur d a:.w 13 mélanges d'air et de vapeur d'eau.
Un a;xa='eil commodepour la mise en Je.c;,<.> de l'invention Je compose d'un moule fermé de toua i'3t4e avec des ouvarturas dans lea parois par où 1.):; .' vent t 6' é()hapa, cyr taines parties du mo'.Ü0 ' ...- ¯ ¯ - les par rapport aux autres.
Les figures 1 et 2 représentenn u.. '..
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ce e g e n r i , '1 3 =- s 1 3 1; 1 a u 1 i i d...'3 s > a .,:< .> . T: .la ,3 s montre 3. >r. 3 .à È fi, d .3 e m ,3 1 1 ': 'à .s.. i p 1, X ù; n :> t. i. ', i ¯J e =- # aI: :, ". : i .-; L a " 1: .4 - nient à la paroi 1 3 'b p 1 3 C .é 1 J . l± ]?i : i 1. l 1,X '1 .1. ,q¯:,1 fl î ? .l L , ' ..t' 3 t ; Aprèe .ra:n9l.j.sag<J <à'J z.JùL> :;:..1> ±3 j;> ,,c;E=,: z?;i;i.e fine- ment di vi i9 #ia 3tj,r-tÉ-:a <=;.:,;.y,> 1':IL::'j:t;:) 'Jl : )'lise '.La pièce e m a 1.> < i, vara e '1 " " ;; .1 )-< 7 ù..; ; ... i =n .#u 1, :J ;:a ;<q;a ' 1, et) qu'el- le soit au ras d8 la parc:.. .> Jrti,:z.alei du ?c".yinr3 de Si'z;:.ré:J.,> ont ainsi c#mg.;iz;1.z:3 .>n=a lle muntro la fi- gui-a 2.
Le commande a9fj fic;=.tios mo'eil,Bs du. veille peut être p!le1..l.."!la tiqua, hydraulique ou mér.2.ni.:r....c. Ou peut aus- ai par exemple déplacer six;.ii,tsn.±f-;-a:; plusieurs piëcas mobiles l'aida de 'Li..:-3 3.Z'ÎÉ-<Îi 1.éil, iei,r.ogà.i;;.oeti,j;q:s 9.rJc±dé da facrt.o .i ' :";jJtJ i;fli;,1.is en na- .........................'-4,'..'.)...' .-i'.I3'-.:1 .. ",..(.ou3 ère ':h':)7:ncplastiqus :nc-:).s:: #'.iL.".>i;;t 1*.yi,3?, iii chauffa dos .ùie"iE.à%Ee,ù ':haro9't.:r:i:.i.=! u'3'3.-3 =3nr;5#> g.cnfisbiaa, à ?articul-:.-2 f ,=;es. :>ix..;.'=;<.i.i* ia "¯g:,>;; -'s.':?t-:.3 da .ra- dan2 das .;n.>*2ae ':'J'::':1.8 .i"nià lalT.' po?it s' é- chapper, caractérig an co q'o cOQrid la masse des particulas an ùartains pot.>.%i du .!:01;.J.!) a.'8J"...j la cl"4auf-.ea30.
2.- pcur li; 4ll3ato d 9rc:d SU- vant la revendication i, , .;;3.rnct4ria4 on 83 qu'il consis- . , .;;#. r i>.à i. farsé 4 ..i, ± .i .i t 'J 1 4 1 a"o d-3a :J i >a iru r t i,ir ;3 dans sea par Le-=:q'.mi ù,oez as x-1.;en; z" 4ahap- par, caractérise -3r.. co qt.-.:: i+=-;:i.lc.=: i ça='fiaq .iri Ur du mcul-9 zcnt mobilt:e par r ,>ç.v;?n ai.t a'à.r.t3.>.¯
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB0081995 | 1965-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE681243A true BE681243A (fr) | 1966-11-18 |
Family
ID=6981332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE681243D BE681243A (fr) | 1965-05-19 | 1966-05-18 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE681243A (fr) |
| ES (1) | ES326691A1 (fr) |
| NL (1) | NL6606546A (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034671A (fr) * | 1973-08-01 | 1975-04-03 | ||
| JPS5230873A (en) * | 1976-09-16 | 1977-03-08 | Matsushita Electric Industrial Co Ltd | Process for manufacturing molded foam article |
| EP0578272A1 (fr) * | 1988-10-31 | 1994-01-12 | Mitsubishi Denki Kabushiki Kaisha | Structure poreuse |
-
1966
- 1966-05-12 NL NL6606546A patent/NL6606546A/xx unknown
- 1966-05-13 ES ES0326691A patent/ES326691A1/es not_active Expired
- 1966-05-18 BE BE681243D patent/BE681243A/fr unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5034671A (fr) * | 1973-08-01 | 1975-04-03 | ||
| JPS5230873A (en) * | 1976-09-16 | 1977-03-08 | Matsushita Electric Industrial Co Ltd | Process for manufacturing molded foam article |
| EP0578272A1 (fr) * | 1988-10-31 | 1994-01-12 | Mitsubishi Denki Kabushiki Kaisha | Structure poreuse |
Also Published As
| Publication number | Publication date |
|---|---|
| ES326691A1 (es) | 1967-03-01 |
| NL6606546A (fr) | 1966-11-21 |
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