FR2201964A1 - Filter press plate mfr. from thermoplastics foam - in slowly revolving mould heated to activate foaming agent and contg many degassing vents - Google Patents

Filter press plate mfr. from thermoplastics foam - in slowly revolving mould heated to activate foaming agent and contg many degassing vents

Info

Publication number
FR2201964A1
FR2201964A1 FR7235590A FR7235590A FR2201964A1 FR 2201964 A1 FR2201964 A1 FR 2201964A1 FR 7235590 A FR7235590 A FR 7235590A FR 7235590 A FR7235590 A FR 7235590A FR 2201964 A1 FR2201964 A1 FR 2201964A1
Authority
FR
France
Prior art keywords
contg
filter press
foaming agent
press plate
mould heated
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
Application number
FR7235590A
Other languages
English (en)
French (fr)
Other versions
FR2201964B1 (enrdf_load_html_response
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to FR7235590A priority Critical patent/FR2201964A1/fr
Priority to DE19722249020 priority patent/DE2249020C3/de
Priority to CH1481972A priority patent/CH556679A/xx
Publication of FR2201964A1 publication Critical patent/FR2201964A1/fr
Application granted granted Critical
Publication of FR2201964B1 publication Critical patent/FR2201964B1/fr
Granted legal-status Critical Current

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)
FR7235590A 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 Granted FR2201964A1 (en)

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 true FR2201964A1 (en) 1974-05-03
FR2201964B1 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)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
CH556679A (de) 1974-12-13
DE2249020A1 (de) 1974-04-25
FR2201964B1 (enrdf_load_html_response) 1976-03-26
DE2249020B2 (de) 1975-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse