FR2052798A5 - Permanent deformation of microporous poly- - mer sheet for shoe uppers - Google Patents
Permanent deformation of microporous poly- - mer sheet for shoe uppersInfo
- Publication number
- FR2052798A5 FR2052798A5 FR7022542A FR7022542A FR2052798A5 FR 2052798 A5 FR2052798 A5 FR 2052798A5 FR 7022542 A FR7022542 A FR 7022542A FR 7022542 A FR7022542 A FR 7022542A FR 2052798 A5 FR2052798 A5 FR 2052798A5
- Authority
- FR
- France
- Prior art keywords
- sheet
- permanent deformation
- shoe uppers
- microporous poly
- mer
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
-
- 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
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
- B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
-
- 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
- B29C51/36—Moulds specially adapted for vacuum forming, Manufacture thereof
- B29C51/365—Porous moulds
-
- 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
- B29C51/42—Heating or cooling
- B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
-
- 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
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Sheet is shaped into a fitted 3-dimensional shape. An expansion medium which expands the contacted polymer surface by at least 5% is applied to the sheet during or after shaping. Preferably the sheet is then hardened to prevent recovery to the flat shape. The microporous material is polyurethane. The expansion agent is trichlorethylene acetone, denatured alcohol, CCl4 and/or amyl acetate.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3086869 | 1969-06-18 | ||
GB3086769 | 1969-06-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2052798A5 true FR2052798A5 (en) | 1971-04-09 |
Family
ID=26260639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7022542A Expired FR2052798A5 (en) | 1969-06-18 | 1970-06-18 | Permanent deformation of microporous poly- - mer sheet for shoe uppers |
Country Status (5)
Country | Link |
---|---|
AU (1) | AU1644470A (en) |
BE (1) | BE752199A (en) |
DE (1) | DE2030071A1 (en) |
FR (1) | FR2052798A5 (en) |
NL (1) | NL7008917A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004001170A1 (en) * | 2004-01-07 | 2005-08-04 | Cetetherm Gmbh | Bypass in the reaction storage advance |
-
1970
- 1970-06-17 AU AU16444/70A patent/AU1644470A/en not_active Expired
- 1970-06-18 DE DE19702030071 patent/DE2030071A1/en active Pending
- 1970-06-18 FR FR7022542A patent/FR2052798A5/en not_active Expired
- 1970-06-18 NL NL7008917A patent/NL7008917A/xx unknown
- 1970-06-18 BE BE752199D patent/BE752199A/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU1644470A (en) | 1971-12-23 |
DE2030071A1 (en) | 1970-12-23 |
BE752199A (en) | 1970-12-18 |
NL7008917A (en) | 1970-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |