WO2017194796A1 - Méthode de réparation d'articles en plastique - Google Patents

Méthode de réparation d'articles en plastique Download PDF

Info

Publication number
WO2017194796A1
WO2017194796A1 PCT/ES2016/070367 ES2016070367W WO2017194796A1 WO 2017194796 A1 WO2017194796 A1 WO 2017194796A1 ES 2016070367 W ES2016070367 W ES 2016070367W WO 2017194796 A1 WO2017194796 A1 WO 2017194796A1
Authority
WO
WIPO (PCT)
Prior art keywords
channel
plastic
temperature
plastic material
parts
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.)
Ceased
Application number
PCT/ES2016/070367
Other languages
English (en)
Spanish (es)
Inventor
Juan Ramón MAZQUIARÁN MENDÍA
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.)
Plastic Repair System 2011 SL
Original Assignee
Plastic Repair System 2011 SL
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 Plastic Repair System 2011 SL filed Critical Plastic Repair System 2011 SL
Priority to PCT/ES2016/070367 priority Critical patent/WO2017194796A1/fr
Publication of WO2017194796A1 publication Critical patent/WO2017194796A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • 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
    • B29C73/00—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D
    • B29C73/02—Repairing of articles made from plastics or substances in a plastic state, e.g. of articles shaped or produced by using techniques covered by this subclass or subclass B29D using liquid or paste-like material

Definitions

  • the present invention is related to the repair of plastic articles, especially boxes, urban containers, street furniture or any other similar plastic element. Said repair is carried out by welding with the application of a material comprising light particles that allow to determine if a plastic article has been repaired.
  • a method of repairing plastic articles is proposed, which can be applied to any plastic article such as boxes, boats, urban containers, etc., and which allows the plastic article to comprise a finish and a correct tightness and that it is possible in a simple way to detect if it has undergone any type of repair.
  • the method of repairing plastic articles object of the invention is intended to weld a sector of breakage defined between at least two parts of the plastic article, the method comprising the steps of:
  • plastic material in the defined channel to weld the parts that define the breaking sector, said plastic material comprising particles configured to be visible under the application of a light comprised within the infrared or ultraviolet electromagnetic spectrum,
  • the plastic material provided in the channel is selected from the group comprising polyethylene, polypropylene, acrylonitrile butadiene styrene, polycarbonate, polyamide, polyvinylchloride, or any mixture of these compounds or their derivatives. Also, depending on the plastic article to be repaired through the method object of the invention, the plastic material that is applied on the channel may be the same material with which the plastic article is manufactured, or it may be different.
  • the channel is heated to a temperature between 280 ° C and 300 ° C, while the plastic material is applied in the channel at a temperature between 240 ° C and 260 ° C and is kept warm until pressed through a stream of air at a temperature between 280 ° C and 300 ° C.
  • the plastic material used for repair is polypropylene
  • the channel is heated to a temperature between 290 ° C and 310 ° C, while the plastic material is applied to the channel at a temperature between 250 ° C and 270 ° C and is kept warm until pressed through a stream of air at a temperature between 290 ° C and 310 ° C.
  • the channel it is heated to a temperature between 300 ° C and 320 ° C, while the plastic material is applied in the channel at a temperature between 260 ° C and 280 ° C and kept warm until pressed through a stream of air at a temperature between 300 ° C and 320 ° C.
  • the channel is heated to a temperature between 270 ° C and 290 ° C, while the plastic material is applied to the channel at a temperature between 230 ° C and 250 ° C and is kept warm until pressed through a stream of air at a temperature between 270 ° C and 290 ° C.
  • the channel is heated to a temperature between 220 ° C and 240 ° C, while the plastic material is applied to the channel at a temperature between 170 ° C and 190 ° C and is kept warm until pressed through a stream of air at a temperature between 220 ° C and 240 ° C.
  • first part of the break sector is cut with a desired geometric shape, and in said cut, a fabricated template is fitted of the same material as the plastic article, prepared in relation to the shape of the cut area.
  • the template is attached to the plastic article following the same steps of the method described above.
  • Figure 1 shows an example of a plastic article, specifically a container for urban waste, comprising a breakage sector defined by two parts of a crack.
  • Figure 2 shows a container for urban waste, which comprises a breakage sector defined by two parts, one of the parts being a template added after trimming part of the breakage sector where there was a total separation of a section of the container for urban waste.
  • Figure 3 shows the urban waste container of Figure 1, on which a light is applied that allows the vision of particles comprised in a plastic material applied for repair, making it possible to delimit a repaired sector thereof.
  • parts (S1, S2) of the breakage sector (S) have to be fixed, so that the plastic article adopts as much as possible the shape it had before the breakage occurred.
  • mooring elements are used, such as sergeants or equivalent tools.
  • chamfering is carried out on edges defined by the parts (S1, S2) of the breakage sector (S), so that between said edges a channel is determined to receive a plastic welding material (1) which will be used later to join the parts (S1, S2).
  • the chamfered cuts of the edges of the parts (S1, S2) are polished, which allows a better adhesion of the plastic material (1) on said channel.
  • a heating of the channel defined by the parts (S1, S2) to be welded is carried out.
  • the channel is heated to a temperature depending on the plastic material (1) to be applied next.
  • the weld plastic material (1) is applied to the channel to weld the two or more parts (S1, S2) of the breaking sector (S).
  • the plastic material (1) is applied using any one of the welding methods known and applicable in this case.
  • the plastic welding material (1) that is applied to the channel is selected from the group comprising polyethylene, polypropylene, acrylonitrile butadiene styrene, polycarbonate, polyamide, polyvinylchloride, or any mixture of these compounds or their derivatives.
  • said plastic material (1) comprises particles configured to be visible under the application of a light (2) comprised within the infrared or ultraviolet electromagnetic spectrum, produced by an ultraviolet or infrared light emitting apparatus (3), such as a flashlight of ultraviolet or infrared light.
  • the method object of the invention comprises the steps of heating the channel defined by the parts (S1, S2) and applying the plastic material (1) on the heated channel until it is in the melted state.
  • the plastic material (1) applied is kept warm until a subsequent pressing using a stream of hot air.
  • the applicant has experimentally verified that, depending on the different plastic materials (1) used in the repair, the preferred temperature ranges for welding between the plastic material (1) and the article from Plastic produced correctly are the following:
  • said breakage sector (S) has to be pressed with a roller-like tool until the surface of the plastic article remains as smooth as possible, so that the joint between the parts (S1, S2) of the breakage sector (S) is as suitable as possible.
  • the breakage sector (S) is cooled, using a compressed air gun or an equivalent tool.
  • the remaining plastic material (1) is removed by machining or an equivalent process, until a surface finish of the plastic article similar to that of before breaking occurs.
  • the breaking sector (S) is first trimmed in a desired geometric shape, such as in rectangular or circular shape. After that, a template is reciprocally fitted to the one cut in the sector of breakage (S), made of the same material as the plastic article. Once the template is located in the breakage sector (S), the same steps of the repair method described above are followed.
  • the surface finish of the repaired plastic article is equivalent to that of a new article, maintaining adequate sealing properties and, in addition, to simple seen and without using special devices it is not possible to discern if the item is new or repaired.
  • the light (2) must be applied throughout the plastic article until the particles comprised in the plastic material (1) applied in the breakage sectors (S) of the plastic article, thus discovering the breakage sectors (S) where repairs have been made following the proposed repair method.
  • Figure 1 shows a plastic article (in this particular case, an urban waste container), which has suffered a breakage due to a crack, thus comprising a breakage sector defined by two parts (S1, S2).
  • Figure 2 shows a container for urban waste, in which there has been the total separation of a section of the plastic article and, after that, part of the breakage sector (S) defined by two parts (S1, S2) has been cut ), one of the parts (S2) being a template added after cutting said part of the breakage sector (S).
  • FIG 3 the same article in figure 1 is observed, in which, at a glance, it is not possible to discern whether it is a new article or has undergone any repair.
  • ultraviolet light (2) is applied on a breakage sector (S) of the plastic article, the particles of the material becoming visible plastic (1) and, thus, becoming easily detectable if the article has undergone any repair.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

La présente invention concerne une méthode de réparation d'articles en plastique permettant de souder une zone de rupture définie entre au moins deux parties dudit article en plastique au moyen des étapes suivantes: relier au moyen d'au moins deux éléments de retenue, les au moins deux parties de l'article en plastique à réparer; réaliser une rainure dans la zone de rupture par une coupe biseautée sur les bords des au moins deux parties, et polir ensuite les bords biseautés; chauffer la rainure définie entre les parties en fonction du matériau qui va être appliqué ensuite; appliquer un matériau plastique dans la rainure définie pour souder les parties qui définissent la zone de rupture, lequel matériau plastique comprend des particules configurées pour être visibles sous une lumière comprise dans le spectre électromagnétique infrarouge ou ultraviolet; comprimer le matériau plastique appliqué dans la rainure et; usiner la surface de la zone de rupture pour éliminer le matériau plastique en excès tombé dans la rainure.
PCT/ES2016/070367 2016-05-13 2016-05-13 Méthode de réparation d'articles en plastique Ceased WO2017194796A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/ES2016/070367 WO2017194796A1 (fr) 2016-05-13 2016-05-13 Méthode de réparation d'articles en plastique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2016/070367 WO2017194796A1 (fr) 2016-05-13 2016-05-13 Méthode de réparation d'articles en plastique

Publications (1)

Publication Number Publication Date
WO2017194796A1 true WO2017194796A1 (fr) 2017-11-16

Family

ID=60267773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2016/070367 Ceased WO2017194796A1 (fr) 2016-05-13 2016-05-13 Méthode de réparation d'articles en plastique

Country Status (1)

Country Link
WO (1) WO2017194796A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022157409A1 (fr) 2021-01-21 2022-07-28 Plastic Repair System 2011, S.L. Machine automatique de réparation de feuilles en plastique
ES2984133A1 (es) * 2024-05-23 2024-10-28 Plastic Repair System 2011 S L Metodo y sistema de reparacion de contenedores

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342921A1 (de) * 2003-09-15 2005-04-28 Plasticon Germany Gmbh Verfahren zum Verschweißen von Kunststoffen und einem hierzu notwendigen Schweißmittel
US20090231098A1 (en) * 2008-03-13 2009-09-17 Rexam Healthcare Packaging Inc. RFID insert with disable feature and container that includes such an insert
WO2010054774A1 (fr) * 2008-11-05 2010-05-20 Onofrio Antonio Totaro Machines, procédé et composition de matériau pour soudage à chaud, assemblage et réparation d’articles en plastique
EA201100480A1 (ru) * 2011-03-11 2012-03-30 Игорь Юрьевич Девятловский Способ восстановления изделий из термопластичного полимерного материала методом экструзионной наплавки
ES2388410A1 (es) * 2012-02-01 2012-10-15 Plastic Repair System 2011, S.L. Procedimiento de reparación de productos de plástico

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10342921A1 (de) * 2003-09-15 2005-04-28 Plasticon Germany Gmbh Verfahren zum Verschweißen von Kunststoffen und einem hierzu notwendigen Schweißmittel
US20090231098A1 (en) * 2008-03-13 2009-09-17 Rexam Healthcare Packaging Inc. RFID insert with disable feature and container that includes such an insert
WO2010054774A1 (fr) * 2008-11-05 2010-05-20 Onofrio Antonio Totaro Machines, procédé et composition de matériau pour soudage à chaud, assemblage et réparation d’articles en plastique
EA201100480A1 (ru) * 2011-03-11 2012-03-30 Игорь Юрьевич Девятловский Способ восстановления изделий из термопластичного полимерного материала методом экструзионной наплавки
ES2388410A1 (es) * 2012-02-01 2012-10-15 Plastic Repair System 2011, S.L. Procedimiento de reparación de productos de plástico

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022157409A1 (fr) 2021-01-21 2022-07-28 Plastic Repair System 2011, S.L. Machine automatique de réparation de feuilles en plastique
US12330383B2 (en) 2021-01-21 2025-06-17 Plastic Repair System 2011, S.L. Automatic machine for repairing plastic sheets
ES2984133A1 (es) * 2024-05-23 2024-10-28 Plastic Repair System 2011 S L Metodo y sistema de reparacion de contenedores

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