FR2051160A5 - Vacuum mould for forming tubes from therm - oplastic sheets - Google Patents
Vacuum mould for forming tubes from therm - oplastic sheetsInfo
- Publication number
- FR2051160A5 FR2051160A5 FR7021669A FR7021669A FR2051160A5 FR 2051160 A5 FR2051160 A5 FR 2051160A5 FR 7021669 A FR7021669 A FR 7021669A FR 7021669 A FR7021669 A FR 7021669A FR 2051160 A5 FR2051160 A5 FR 2051160A5
- Authority
- FR
- France
- Prior art keywords
- mould
- oplastic
- therm
- sheets
- forming tubes
- 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.)
- Expired
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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/44—Removing or ejecting moulded articles
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
- B29C51/34—Moulds for undercut articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Reentrant portions of the mould are formed of core pieces projecting into the mould, composed of an elastomer dimensionally stable at the moulding pressure in the thermoplastic zone of the sheet and flexing elastically under the stripping pressure at the stripping temp. The core pieces are fixed to the mould outside a supporting rim bordering the wall of the mould, of which the width is 0.8-2.5 times that of the projection of the core piece into the mould.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691929878 DE1929878A1 (en) | 1969-06-12 | 1969-06-12 | Drawing form with core pieces for the production of shell-shaped objects from thermoplastics |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2051160A5 true FR2051160A5 (en) | 1971-04-02 |
Family
ID=5736806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7021669A Expired FR2051160A5 (en) | 1969-06-12 | 1970-06-12 | Vacuum mould for forming tubes from therm - oplastic sheets |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE751910A (en) |
CH (1) | CH507078A (en) |
DE (1) | DE1929878A1 (en) |
FR (1) | FR2051160A5 (en) |
LU (1) | LU61107A1 (en) |
NL (1) | NL7008054A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3524122A1 (en) * | 1985-07-05 | 1987-01-08 | Heinz Georg Baus | DEEP-DRAWING PART, IN PARTICULAR SHOWER CUP |
DE4238943A1 (en) * | 1992-07-23 | 1994-01-27 | Durotherm Kunststoffverarbeitu | Process for vacuum forming a tenon plate from a plastic film |
NO320438B1 (en) | 2004-04-15 | 2005-12-05 | Isola As | Bossed |
DE05111659T1 (en) | 2005-08-30 | 2007-08-09 | Isola A/S | Floor coverings with wooden slats on a substrate, method for dressing the substrate and use of studded slab |
-
1969
- 1969-06-12 DE DE19691929878 patent/DE1929878A1/en active Pending
-
1970
- 1970-06-03 NL NL7008054A patent/NL7008054A/xx unknown
- 1970-06-10 LU LU61107D patent/LU61107A1/xx unknown
- 1970-06-10 CH CH872470A patent/CH507078A/en not_active IP Right Cessation
- 1970-06-12 FR FR7021669A patent/FR2051160A5/en not_active Expired
- 1970-06-12 BE BE751910D patent/BE751910A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE751910A (en) | 1970-12-14 |
CH507078A (en) | 1971-05-15 |
NL7008054A (en) | 1970-12-15 |
LU61107A1 (en) | 1972-03-22 |
DE1929878A1 (en) | 1970-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |