FI57227C - Foerfarande foer framstaellning av ett ringformigt uppblaosbart foeremaol - Google Patents
Foerfarande foer framstaellning av ett ringformigt uppblaosbart foeremaol Download PDFInfo
- Publication number
- FI57227C FI57227C FI2549/73A FI254973A FI57227C FI 57227 C FI57227 C FI 57227C FI 2549/73 A FI2549/73 A FI 2549/73A FI 254973 A FI254973 A FI 254973A FI 57227 C FI57227 C FI 57227C
- Authority
- FI
- Finland
- Prior art keywords
- halves
- mold
- rubber
- article
- final
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D22/00—Producing hollow articles
- B29D22/02—Inflatable articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/02—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of crude rubber, gutta-percha, or similar substances
- B29B15/04—Coagulating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2021/00—Use of unspecified rubbers as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
- B29K2105/246—Uncured, e.g. green
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/24—Endless tubes, e.g. inner tubes for pneumatic tyres
- B29L2023/245—Inner tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Tyre Moulding (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
- Buffer Packaging (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Tires In General (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Claims (8)
1. Förfarande för framställning av ett ringformigt uppbl&sbart föremäl, t.ex. innerringen i ett däck, enligt vilket föremälet först framställs som tvä halvor, vilka halvor formas av ohärdat gummi i ett matrisformrum och förses med ett läsutspräng för att förhindra att halvorna förskjutes, vilken form sättes under tryck och före-mälets bäda halvor föres sämmän och förenas med varandra under värme och tryck, kännetecknat därav, att halvorna formas till en sädan form pä tvärsnittet, som i halvornas förbindningsplan är tillplattad i förhällande tili föremälets slutliga form och att halvorna i detta tillständ förenas samt att produkten före den slutliga härdningen avlägsnas frän den ursprungliga formen och bläses upp tili sitt slutliga format i en större form, där den slutliga härdningen därefter utföres.
2. Förfarande enligt patentkravet 1, kännetecknat därav, att en sädan större form används, vars inre diameter är större än i den ursprungliga formen.
3. Förfarande enligt patentkravet 1 eller 2, kännetecknat därav, att flera förem&l placeras koncentriskt innanför var-
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3854272 | 1972-08-18 | ||
| GB3854272A GB1443420A (en) | 1972-08-18 | 1972-08-18 | Method of moulding an inflatable rubber tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI57227B FI57227B (fi) | 1980-03-31 |
| FI57227C true FI57227C (fi) | 1980-07-10 |
Family
ID=10404146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2549/73A FI57227C (fi) | 1972-08-18 | 1973-08-14 | Foerfarande foer framstaellning av ett ringformigt uppblaosbart foeremaol |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS6013817B2 (sv) |
| AR (1) | AR201669A1 (sv) |
| BE (1) | BE803680A (sv) |
| BR (1) | BR7306378D0 (sv) |
| CA (1) | CA985140A (sv) |
| DE (1) | DE2341482A1 (sv) |
| ES (1) | ES417948A2 (sv) |
| FI (1) | FI57227C (sv) |
| FR (1) | FR2196241B2 (sv) |
| GB (1) | GB1443420A (sv) |
| IE (1) | IE39776B1 (sv) |
| IN (1) | IN140844B (sv) |
| IT (1) | IT1051741B (sv) |
| LU (1) | LU68252A1 (sv) |
| NL (1) | NL7311306A (sv) |
| SE (1) | SE403449B (sv) |
| ZA (1) | ZA735495B (sv) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56121753A (en) * | 1980-03-03 | 1981-09-24 | Sumitomo Rubber Ind Ltd | Vulcanizing device for tire tube |
| JPS57177725U (sv) * | 1982-03-24 | 1982-11-10 |
-
1972
- 1972-08-18 GB GB3854272A patent/GB1443420A/en not_active Expired
-
1973
- 1973-08-09 IE IE1370/73A patent/IE39776B1/xx unknown
- 1973-08-10 CA CA178,532A patent/CA985140A/en not_active Expired
- 1973-08-13 ZA ZA735495A patent/ZA735495B/xx unknown
- 1973-08-14 IT IT27935/73A patent/IT1051741B/it active
- 1973-08-14 FI FI2549/73A patent/FI57227C/fi active
- 1973-08-16 IN IN1889/CAL/1973A patent/IN140844B/en unknown
- 1973-08-16 DE DE19732341482 patent/DE2341482A1/de not_active Ceased
- 1973-08-16 BE BE134643A patent/BE803680A/xx unknown
- 1973-08-16 NL NL7311306A patent/NL7311306A/xx not_active Application Discontinuation
- 1973-08-17 ES ES417948A patent/ES417948A2/es not_active Expired
- 1973-08-17 LU LU68252A patent/LU68252A1/xx unknown
- 1973-08-17 BR BR6378/73A patent/BR7306378D0/pt unknown
- 1973-08-17 SE SE7311275A patent/SE403449B/sv unknown
- 1973-08-17 JP JP48092357A patent/JPS6013817B2/ja not_active Expired
- 1973-08-20 FR FR7330138A patent/FR2196241B2/fr not_active Expired
- 1973-08-20 AR AR249627A patent/AR201669A1/es active
Also Published As
| Publication number | Publication date |
|---|---|
| IN140844B (sv) | 1976-12-25 |
| JPS49133480A (sv) | 1974-12-21 |
| BR7306378D0 (pt) | 1974-07-11 |
| CA985140A (en) | 1976-03-09 |
| JPS6013817B2 (ja) | 1985-04-09 |
| BE803680A (fr) | 1973-12-17 |
| DE2341482A1 (de) | 1974-02-28 |
| NL7311306A (sv) | 1974-02-20 |
| IE39776B1 (en) | 1979-01-03 |
| AR201669A1 (es) | 1975-04-08 |
| FR2196241B2 (sv) | 1978-01-27 |
| LU68252A1 (sv) | 1973-10-23 |
| GB1443420A (en) | 1976-07-21 |
| ZA735495B (en) | 1974-09-25 |
| SE403449B (sv) | 1978-08-21 |
| AU5928773A (en) | 1975-02-20 |
| FR2196241A2 (sv) | 1974-03-15 |
| IE39776L (en) | 1974-02-18 |
| IT1051741B (it) | 1981-05-20 |
| FI57227B (fi) | 1980-03-31 |
| ES417948A2 (es) | 1977-11-01 |
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