FR2201964B1 - - Google Patents
Info
- Publication number
- FR2201964B1 FR2201964B1 FR7235590A FR7235590A FR2201964B1 FR 2201964 B1 FR2201964 B1 FR 2201964B1 FR 7235590 A FR7235590 A FR 7235590A FR 7235590 A FR7235590 A FR 7235590A FR 2201964 B1 FR2201964 B1 FR 2201964B1
- 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
-
- 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
- B29C44/0461—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 having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/001—Making filtering elements not provided for elsewhere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
- B01D25/215—Construction of the filter plates, frames
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0053—Moulding articles characterised by the shape of the surface, e.g. ribs, high polish
-
- 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
-
- 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
- B29L2031/14—Filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7235590A FR2201964A1 (en) | 1972-10-06 | 1972-10-06 | Filter press plate mfr. from thermoplastics foam - in slowly revolving mould heated to activate foaming agent and contg many degassing vents |
DE19722249020 DE2249020C3 (de) | 1972-10-06 | Verfahren zur Herstellung einer Filterpressenplatte | |
CH1481972A CH556679A (de) | 1972-10-06 | 1972-10-11 | Verfahren zur herstellung einer filterpressplatte. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7235590A FR2201964A1 (en) | 1972-10-06 | 1972-10-06 | Filter press plate mfr. from thermoplastics foam - in slowly revolving mould heated to activate foaming agent and contg many degassing vents |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2201964A1 FR2201964A1 (en) | 1974-05-03 |
FR2201964B1 true FR2201964B1 (enrdf_load_html_response) | 1976-03-26 |
Family
ID=9105313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7235590A Granted FR2201964A1 (en) | 1972-10-06 | 1972-10-06 | Filter press plate mfr. from thermoplastics foam - in slowly revolving mould heated to activate foaming agent and contg many degassing vents |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH556679A (enrdf_load_html_response) |
FR (1) | FR2201964A1 (enrdf_load_html_response) |
-
1972
- 1972-10-06 FR FR7235590A patent/FR2201964A1/fr active Granted
- 1972-10-11 CH CH1481972A patent/CH556679A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH556679A (de) | 1974-12-13 |
DE2249020A1 (de) | 1974-04-25 |
FR2201964A1 (en) | 1974-05-03 |
DE2249020B2 (de) | 1975-10-02 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |