FR2299148A1 - Elastomer and plastic shock absorber bushing - is made by injecting second material onto first as temporary insert is withdrawn - Google Patents
Elastomer and plastic shock absorber bushing - is made by injecting second material onto first as temporary insert is withdrawnInfo
- Publication number
- FR2299148A1 FR2299148A1 FR7538074A FR7538074A FR2299148A1 FR 2299148 A1 FR2299148 A1 FR 2299148A1 FR 7538074 A FR7538074 A FR 7538074A FR 7538074 A FR7538074 A FR 7538074A FR 2299148 A1 FR2299148 A1 FR 2299148A1
- Authority
- FR
- France
- Prior art keywords
- elastomer
- withdrawn
- injecting
- shock absorber
- material onto
- 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.)
- Granted
Links
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
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/72—Encapsulating inserts having non-encapsulated projections, e.g. extremities or terminal portions of electrical components
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/001—Shaping in several steps
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- 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
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Springs (AREA)
- Laminated Bodies (AREA)
Abstract
A method of making an article of elastomer and plastics bonded together consists of filling a first mould void with elastomer (or plastics) while the adjacent second mould void(s) is/are filled with a rigid insert, then withdrawing this insert and replacing ti by the second material, plastics (or elastomer), until the latter fills the second mould void and is bonded to the first material. The first material may be either pre-formed in another mould and introduced mechanically, or injected. Used for mfr. of shock absorbers consisting of an elastomer sleeve with inner and outer plastic (e.g. nylon) sleeves. The fabrication is much simpler than rubber-to-metal bonding.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB406375 | 1975-01-29 | ||
GB406675 | 1975-01-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2299148A1 true FR2299148A1 (en) | 1976-08-27 |
FR2299148B1 FR2299148B1 (en) | 1978-05-12 |
Family
ID=26238825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7538074A Granted FR2299148A1 (en) | 1975-01-29 | 1975-12-12 | Elastomer and plastic shock absorber bushing - is made by injecting second material onto first as temporary insert is withdrawn |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5193985A (en) |
DE (1) | DE2558406A1 (en) |
FR (1) | FR2299148A1 (en) |
IT (1) | IT1058330B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5160474A (en) * | 1990-12-21 | 1992-11-03 | Cadillac Rubber & Plastics, Inc. | Overmolded gasket, heat exchanger tank incorporating the same and method for making the same |
US5246065A (en) * | 1990-12-21 | 1993-09-21 | Cadillac Rubber & Plastics, Inc. | Heat exchanger tank incorporating an overmolded gasket |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4385025A (en) * | 1979-10-22 | 1983-05-24 | Barry Wright Corporation | Method of coinjection molding of thermoplastic and thermoplastic elastomer |
JPS58132363A (en) * | 1982-01-30 | 1983-08-06 | Kinugawa Rubber Ind Co Ltd | Cylindrical spacer and its production |
US4559688A (en) * | 1983-10-24 | 1985-12-24 | General Motors Corporation | Bonding EPDM gaskets to filled nylon heat exchanger parts |
JPS6334111A (en) * | 1986-07-29 | 1988-02-13 | Tokai Rubber Ind Ltd | Manufacture of connecting rod equipped with rubber bushing |
JPH06356B2 (en) * | 1988-06-10 | 1994-01-05 | 本田技研工業株式会社 | Anti-vibration rubber molding die |
DE102009044958A1 (en) * | 2009-09-24 | 2011-04-07 | Zf Friedrichshafen Ag | Elastomeric bush bearing with plastic outer tube |
-
1975
- 1975-12-12 FR FR7538074A patent/FR2299148A1/en active Granted
- 1975-12-19 IT IT3048675A patent/IT1058330B/en active
- 1975-12-23 DE DE19752558406 patent/DE2558406A1/en active Pending
- 1975-12-27 JP JP50159821A patent/JPS5193985A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5160474A (en) * | 1990-12-21 | 1992-11-03 | Cadillac Rubber & Plastics, Inc. | Overmolded gasket, heat exchanger tank incorporating the same and method for making the same |
US5246065A (en) * | 1990-12-21 | 1993-09-21 | Cadillac Rubber & Plastics, Inc. | Heat exchanger tank incorporating an overmolded gasket |
Also Published As
Publication number | Publication date |
---|---|
IT1058330B (en) | 1982-04-10 |
FR2299148B1 (en) | 1978-05-12 |
DE2558406A1 (en) | 1976-08-05 |
JPS5193985A (en) | 1976-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |