FR2395123B2 - - Google Patents
Info
- Publication number
- FR2395123B2 FR2395123B2 FR7719553A FR7719553A FR2395123B2 FR 2395123 B2 FR2395123 B2 FR 2395123B2 FR 7719553 A FR7719553 A FR 7719553A FR 7719553 A FR7719553 A FR 7719553A FR 2395123 B2 FR2395123 B2 FR 2395123B2
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/08—Belling or enlarging, e.g. combined with forming a groove using pressure difference
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- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
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- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/08—Bending or folding of tubes or other profiled members
- B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
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- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/079—Auxiliary parts or inserts
- B29C2949/08—Preforms made of several individual parts, e.g. by welding or gluing parts together
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- 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
- B29K2105/25—Solid
- B29K2105/253—Preform
- B29K2105/258—Tubular
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- 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
- B29L2023/22—Tubes or pipes, i.e. rigid
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- 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
- B29L2031/00—Other particular articles
- B29L2031/24—Pipe joints or couplings
- B29L2031/243—Elbows
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719553A FR2395123A2 (en) | 1977-06-23 | 1977-06-23 | Forming bends and grooved sockets in pressurised thermoplastic pipe - using excess external pressure to form the socket profile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719553A FR2395123A2 (en) | 1977-06-23 | 1977-06-23 | Forming bends and grooved sockets in pressurised thermoplastic pipe - using excess external pressure to form the socket profile |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2395123A2 FR2395123A2 (en) | 1979-01-19 |
FR2395123B2 true FR2395123B2 (en) | 1981-02-06 |
Family
ID=9192586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7719553A Granted FR2395123A2 (en) | 1977-06-23 | 1977-06-23 | Forming bends and grooved sockets in pressurised thermoplastic pipe - using excess external pressure to form the socket profile |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2395123A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5562875A (en) * | 1988-06-17 | 1996-10-08 | Gencorp Inc. | Handling system and method for curved extrusions |
US5067885A (en) * | 1988-06-17 | 1991-11-26 | Gencorp Inc. | Rapid change die assembly |
US5069853A (en) * | 1988-06-17 | 1991-12-03 | Gencorp Inc. | Method of configuring extrudate flowing from an extruder die assembly |
US5219588A (en) * | 1990-02-12 | 1993-06-15 | Gencorp Inc. | Die assembly control |
EP0700771B1 (en) * | 1994-08-23 | 1999-04-21 | S.I.C.A. SERRANDE INFISSI CARPENTERIA ATTREZZATURA S.p.A. | A pressurized-fluid workhead for permanent bellforming of end tracts of plastic pipes, for use in automatic bellforming machines |
US6485666B1 (en) | 1998-03-11 | 2002-11-26 | William W. Rowley | Post extrusion profile processing |
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1977
- 1977-06-23 FR FR7719553A patent/FR2395123A2/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2395123A2 (en) | 1979-01-19 |