IT202100011918A1 - PROCEDURE FOR CREATING AN ANTIMICROBIAL HANDLE FOR A COOKING CONTAINER FOR FOOD AND/OR ITS LID. - Google Patents

PROCEDURE FOR CREATING AN ANTIMICROBIAL HANDLE FOR A COOKING CONTAINER FOR FOOD AND/OR ITS LID. Download PDF

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Publication number
IT202100011918A1
IT202100011918A1 IT102021000011918A IT202100011918A IT202100011918A1 IT 202100011918 A1 IT202100011918 A1 IT 202100011918A1 IT 102021000011918 A IT102021000011918 A IT 102021000011918A IT 202100011918 A IT202100011918 A IT 202100011918A IT 202100011918 A1 IT202100011918 A1 IT 202100011918A1
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Italy
Prior art keywords
antimicrobial
handle
phenolic resin
inorganic
compound
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Application number
IT102021000011918A
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Italian (it)
Inventor
Andrea Munari
Original Assignee
La Termoplastic F B M S R L
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Publication date
Application filed by La Termoplastic F B M S R L filed Critical La Termoplastic F B M S R L
Priority to IT102021000011918A priority Critical patent/IT202100011918A1/en
Priority to PCT/IB2022/054192 priority patent/WO2022238830A1/en
Publication of IT202100011918A1 publication Critical patent/IT202100011918A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J45/00—Devices for fastening or gripping kitchen utensils or crockery
    • A47J45/06—Handles for hollow-ware articles
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0058—Biocides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/37—Thiols
    • C08K5/378—Thiols containing heterocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • 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
    • B29K2061/00—Use of condensation polymers of aldehydes or ketones or derivatives thereof, as moulding material
    • B29K2061/04—Phenoplasts
    • 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
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B29K2105/0011—Biocides
    • 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
    • B29L2031/46—Knobs or handles, push-buttons, grips
    • B29L2031/463—Grips, handles

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plant Pathology (AREA)
  • Zoology (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Pest Control & Pesticides (AREA)
  • Environmental Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Agronomy & Crop Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cookers (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Packages (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

PROCEDIMENTO DI REALIZZAZIONE DI UN?IMPUGNATURA ANTIMICROBICA PER UN RECIPIENTE DI COTTURA PER ALIMENTI PROCEDURE FOR MAKING AN ANTIMICROBIAL HANDLE FOR A COOKING VESSEL FOR FOOD

E/O RELATIVO COPERCHIO AND/OR ITS COVER

Il presente trovato si riferisce ad un procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio. Inoltre il presente trovato si riferisce ad un?impugnatura antimicrobica ottenuta attraverso tale procedimento. The present invention relates to a process for manufacturing an antimicrobial handle for a food cooking container and/or for a relative lid. Furthermore, the present invention relates to an antimicrobial grip obtained through this process.

Con l?espressione ?recipiente di cottura per alimenti? si intende indicare padelle, pentole, bollilatte o altri recipienti analoghi, mentre con il termine ?impugnatura? si intende indicare manici, maniglie, pomoli o altri elementi di presa di padelle, pentole, bollilatte o altri recipienti analoghi nonch? di coperchi. With the expression ?cooking container for food? is meant to indicate frying pans, saucepans, milk pans or other similar containers, while the term ?handle? does it mean handles, handles, knobs or other gripping elements of pans, pots, milk pans or other similar containers as well as? of lids.

Nel settore della ristorazione, ma anche in ambiente domestico, i recipienti da cucina sono sovente maneggiati da diverse persone, per il tramite di una o pi? impugnature. Come ? noto, molte specie di microorganismi quali batteri, alghe, lieviti e funghi si adattano bene a sopravvivere e persino a propagarsi sulle impugnature, in particolare nel caso dei recipienti di cottura per alimenti dove il contatto con materiale organico proveniente dagli alimenti ? molto frequente. Inoltre la riposizione dei recipienti di cottura, spesso non perfettamente asciugati dopo il lavaggio, in credenze o armadi umidi e bui favorisce la crescita e la proliferazione di microorganismi che contaminano l'impugnatura stessa. In questo modo si compromette l?igiene dell?impugnatura, la quale diviene un possibile veicolo di trasmissione di agenti patogeni. In the catering sector, but also in the domestic environment, kitchen containers are often handled by several people, through one or more operators. grips. As ? known, many species of microorganisms such as bacteria, algae, yeasts and fungi are well adapted to survive and even to spread on the handles, in particular in the case of food cooking containers where contact with organic material deriving from food? Very frequently. Furthermore, the repositioning of cooking containers, often not perfectly dried after washing, in damp and dark cupboards or cabinets favors the growth and proliferation of microorganisms which contaminate the handle itself. In this way the hygiene of the handle is compromised, which becomes a possible vehicle for the transmission of pathogens.

Compito precipuo del presente trovato consiste nel fatto di escogitare un procedimento di realizzazione di un?impugnatura per un recipiente di cottura per alimenti e/o per un relativo coperchio che consenta di ottenere un?impugnatura con propriet? antimicrobiche. The aim of the present invention is to provide a method for manufacturing a handle for a cooking container for food and/or for a relative lid which allows to obtain a handle with excellent properties. antimicrobial.

Nell'ambito di questo compito, uno scopo del presente trovato ? quello di escogitare un procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio che garantisca il perdurare delle propriet? antimicrobiche dell?impugnatura stessa nel tempo. Within the scope of this aim, an object of the present invention is that of devising a process for making an antimicrobial handle for a cooking container for food and/or for a relative lid which guarantees the persistence of the properties? antimicrobial properties of the handle itself over time.

Un ulteriore scopo del trovato ? quello di escogitare un procedimento di realizzazione di un?impugnatura per un recipiente di cottura per alimenti e/o per un relativo coperchio che sia in grado di dare le pi? ampie garanzie di affidabilit? e sicurezza nell'uso. Another purpose of the invention ? that of devising a process for making a handle for a food cooking container and/or for a relative lid that is able to give the most? extensive guarantees of reliability? and safety in use.

Un altro scopo del trovato consiste nel fatto di escogitare un procedimento di realizzazione di un?impugnatura per un recipiente di cottura per alimenti e/o per un relativo coperchio che sia facile da attuare ed economicamente competitivo se paragonato alla tecnica nota. Another object of the invention consists in devising a process for manufacturing a handle for a cooking container for food and/or for a relative lid which is easy to implement and economically competitive when compared to the prior art.

Il compito sopra esposto, nonch? gli scopi accennati ed altri che meglio appariranno in seguito, vengono raggiunti da un procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio come esposto nella rivendicazione 1. The task set out above, as well as? the objects mentioned and others which will become clearer hereinafter are achieved by a process for manufacturing an antimicrobial handle for a food cooking container and/or for a relative lid as outlined in claim 1.

Altre caratteristiche sono previste nelle rivendicazioni dipendenti. Other characteristics are foreseen in the dependent claims.

Inoltre il compito sopra esposto, nonch? gli scopi accennati ed altri che meglio appariranno in seguito, vengono raggiunti da un?impugnatura antimicrobica come esposta nelle rivendicazioni 9 e 10. Furthermore, the task set out above, as well as? the objects mentioned and others which will become clearer hereinafter are achieved by an antimicrobial grip as disclosed in claims 9 and 10.

Ulteriori caratteristiche e vantaggi risulteranno maggiormente dalla descrizione di un esempio preferito, ma non esclusivo, di un procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio che segue. Further characteristics and advantages will become clearer from the description of a preferred, but not exclusive example of a process for manufacturing an antimicrobial handle for a food cooking container and/or for a related lid which follows.

Secondo il trovato, il procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio, comprende le fasi di: According to the invention, the method for manufacturing an antimicrobial handle for a food cooking container and/or for a related lid, comprises the steps of:

a) mescolare un agente antimicrobico inorganico in polvere almeno con un composto a base di resina fenolica in polvere per ottenere una mescola antimicrobica; a) mixing a powdered inorganic antimicrobial agent at least with a powdered phenolic resin compound to obtain an antimicrobial blend;

b) eseguire uno stampaggio a iniezione o a compressione di detta mescola antimicrobica per ottenere un?impugnatura antimicrobica semilavorata; b) performing an injection or compression molding of said antimicrobial compound to obtain a semi-finished antimicrobial handle;

c) rifinire detta impugnatura antimicrobica semilavorata per ottenere un?impugnatura antimicrobica finita. c) finishing said semi-finished antimicrobial handle to obtain a finished antimicrobial handle.

Vantaggiosamente il recipiente di cottura per alimenti pu? essere una padella, una pentola, un bollilatte o un altro recipiente analogo. Advantageously, the food cooking container can be a frying pan, pot, milk pan or other similar container.

Vantaggiosamente l?impugnatura pu? essere un manico di una padella o di un bollilatte, oppure una maniglia di una pentola, oppure un pomolo di un coperchio di una padella o di una pentola o di un bollilatte. Advantageously the handle can? be a handle of a pan or a milk boiler, or a handle of a saucepan, or a knob of a lid of a pan or a pot or a milk boiler.

Vantaggiosamente il composto a base di resina fenolica in polvere pu? avere una granulometria minore di 3 mm, e preferibilmente minore di 2 mm. Advantageously, the compound based on phenolic resin in powder form can have a particle size smaller than 3 mm, and preferably smaller than 2 mm.

Con l?espressione ?composto a base di resina fenolica in polvere? si intende specificare un composto in polvere che comprende anche eventuali additivi in una base costituita da una resina fenolica. With the expression ?Powdered phenolic resin-based compound? it is intended to specify a compound in powder form which also includes any additives in a base consisting of a phenolic resin.

Vantaggiosamente la resina fenolica in polvere pu? essere quella commercialmente nota con il nome di Bachelite o, nella versione inglese ?phenolic moulding compound?. Advantageously, the phenolic resin in powder can? be that commercially known with the name of Bakelite or, in the English version ?phenolic molding compound?.

Vantaggiosamente la fase a) di mescolare un agente antimicrobico inorganico in polvere almeno con un composto a base di resina fenolica in polvere per ottenere una mescola antimicrobica comprende la fase di mescolare anche un materiale polimerico in polvere rigenerato a partire da residui di lavorazione. Advantageously, step a) of mixing an inorganic antimicrobial agent in powder form at least with a compound based on phenolic resin in powder form to obtain an antimicrobial mixture also comprises the step of mixing a polymeric material in powder form regenerated starting from processing residues.

Il materiale polimerico rigenerato pu? provenire residui di lavorazione recuperati attraverso processi di riciclo industriali. Preferibilmente tale materiale subisce una serie di macinazioni fino all?ottenimento di una polvere. The regenerated polymeric material can? come from manufacturing residues recovered through industrial recycling processes. Preferably, this material undergoes a series of grindings until a powder is obtained.

Vantaggiosamente anche il materiale polimerico rigenerato in polvere presenta una granulometria minore di 3 mm e preferibilmente minore di 2 mm. Advantageously also the regenerated polymeric material in powder form has a particle size of less than 3 mm and preferably less than 2 mm.

Vantaggiosamente, inoltre, la percentuale in peso tra la quantit? di materiale polimerico rigenerato in polvere e la quantit? di composto a base di resina fenolica in polvere presente nella mescola ? minore del 25%, preferibilmente minore del 20%, e ancora pi? preferibilmente compresa tra il 5% e il 15%; in una forma di realizzazione preferita, la percentuale in peso ? pari a circa il 10%. Advantageously, moreover, the percentage by weight between the quantity? of regenerated polymeric material in powder and the quantity? of compound based on phenolic resin in powder present in the compound? less than 25%, preferably less than 20%, and even more? preferably between 5% and 15%; In a preferred embodiment, the weight percent is equal to about 10%.

Vantaggiosamente, la fase b) ? una fase di stampaggio ad iniezione. Advantageously, phase b) ? an injection molding stage.

Tale fase di stampaggio ad iniezione comprende vantaggiosamente le fasi di: This injection molding step advantageously comprises the steps of:

b1) rimescolare e portare la mescola, tramite riscaldamento, al punto di rammollimento; b1) remix and bring the mix, by heating, to the softening point;

b2) iniettare la mescola rammollita in uno stampo; b3) solidificare la mescola rammollita per ottenere l?impugnatura antimicrobica semilavorata. b2) injecting the softened compound into a mould; b3) solidify the softened compound to obtain the semi-finished antimicrobial grip.

In alternativa, la fase b) pu? essere una fase di stampaggio a compressione. Alternatively, phase b) can? be a compression molding stage.

In questo caso la fase di stampaggio a compressione comprende vantaggiosamente la fase di comprimere la mescola in uno stampo riscaldato per ottenere l?impugnatura antimicrobica semilavorata. In this case the compression molding step advantageously comprises the step of compressing the compound in a heated mold to obtain the semi-finished antimicrobial handle.

Vantaggiosamente la presenza dell?agente antimicrobico inorganico in polvere non comporta sostanziali modifiche nei parametri di processo per la realizzazione dell?impugnatura antimicrobica rispetto ai parametri di processo utilizzati in assenza di tale agente. Advantageously, the presence of the inorganic antimicrobial agent in powder form does not involve substantial changes in the process parameters for manufacturing the antimicrobial handle with respect to the process parameters used in the absence of this agent.

Vantaggiosamente la fase c) di rifinire detta impugnatura antimicrobica semilavorata per ottenere un?impugnatura antimicrobica finita comprende una fase di sbavatura dell?impugnatura semilavorata, ad esempio per il tramite di granagliatrici, ed eventualmente una fase di lucidatura, per ottenere l?impugnatura finita. Advantageously, step c) of finishing said semi-finished antimicrobial handle to obtain a finished antimicrobial handle comprises a step of deburring the semi-finished handle, for example by means of shotguns, and possibly a polishing step, to obtain the finished handle.

Vantaggiosamente la fase c) di rifinire detta impugnatura semilavorata per ottenere un?impugnatura finita pu? comprendere anche l?assemblaggio con componenti aggiuntivi in metallo o in plastica per il tramite di apposite unit? assemblatrici. Advantageously, step c) of finishing said semi-finished handle to obtain a finished handle can? also include the assembly with additional metal or plastic components through special units? assemblers.

Vantaggiosamente, la percentuale in peso tra la quantit? di agente antimicrobico inorganico in polvere e la quantit? di composto a base di resina fenolica in polvere di cui alla fase a) ? compresa tra 0,5% e 4,0%, preferibilmente compresa tra 1,0% e 3,0%, e ancora pi? preferibilmente sostanzialmente pari a 2,0%. Advantageously, the percentage by weight between the quantity? of inorganic antimicrobial agent in powder form and the quantity? of compound based on phenolic resin in powder referred to in phase a) ? between 0.5% and 4.0%, preferably between 1.0% and 3.0%, and even more? preferably substantially equal to 2.0%.

Vantaggiosamente, nel caso in cui il procedimento preveda anche l?utilizzo di materiale polimerico rigenerato in polvere, le suddette percentuali in peso sono da considerarsi tra la quantit? di agente microbico inorganico in polvere e la quantit? complessiva di resina fenolica in polvere e materiale polimerico rigenerato in polvere. Advantageously, in the event that the process also provides for the use of regenerated polymeric material in powder form, the aforementioned percentages by weight are to be considered between the quantity? of inorganic microbial agent in powder and the quantity? combination of phenolic resin powder and regenerated polymeric material powder.

Vantaggiosamente l?agente microbico inorganico in polvere presenta una granulometria minore di 500 ?m. Advantageously, the inorganic microbial agent in powder form has a particle size of less than 500 µm.

Tale valore di granulometria garantisce un ottimale mescolamento, durante la fase a), con la resina fenolica in polvere e, se presente, con il materiale polimerico rigenerato in polvere. This granulometry value ensures optimal mixing, during phase a), with the phenolic resin in powder form and, if present, with the regenerated polymeric material in powder form.

Vantaggiosamente l'agente antimicrobico inorganico comprende un metallo, ovverosia un elemento chimico appartenente alla categoria dei metalli, avente propriet? antimicrobiche scelto fra: oro, argento, rame e zinco. Advantageously, the inorganic antimicrobial agent comprises a metal, i.e. a chemical element belonging to the category of metals, having properties antimicrobial chosen from: gold, silver, copper and zinc.

Preferibilmente, l'agente antimicrobico inorganico comprende zinco, preferibilmente in forma di zinco piritione. Preferably, the inorganic antimicrobial agent comprises zinc, preferably in the form of zinc pyrithione.

Il presente trovato riguarda inoltre una impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio ottenuta da un procedimento come sopra descritto. The present invention also relates to an antimicrobial handle for a food cooking container and/or for a relative lid obtained by a method as described above.

In particolare, il presente trovato riguarda un?impugnatura antimicrobica che comprende un corpo principale realizzato in una resina fenolica solidificata, ed eventualmente in materiale polimerico rigenerato, comprendente un agente antimicrobico inorganico omogeneamente distribuito in tale corpo principale realizzato in resina fenolica. In particular, the present invention relates to an antimicrobial handle which comprises a main body made of a solidified phenolic resin, and optionally of regenerated polymeric material, comprising an inorganic antimicrobial agent homogeneously distributed in said main body made of phenolic resin.

Vantaggiosamente l?agente microbico inorganico comprende zinco, preferibilmente in forma di zinco piritone. Advantageously, the inorganic microbial agent comprises zinc, preferably in the form of zinc pyritone.

Come descritto sopra, l?impugnatura pu? comprendere, oltre al corpo principale realizzato in resina fenolica, con l?eventuale aggiunta di materiale polimerico rigenerato, anche eventuali componenti in metallo o plastica assemblati al corpo principale. As described above, the handle can? include, in addition to the main body made of phenolic resin, with the possible addition of regenerated polymeric material, also any metal or plastic components assembled to the main body.

Vantaggiosamente l?impugnatura antimicrobica pu? essere successivamente fissata al corpo del recipiente per alimenti, oppure ad un coperchio, secondo metodi noti (e.g., rivetti, saldature). Advantageously, the antimicrobial handle can be subsequently fixed to the body of the food container, or to a lid, according to known methods (e.g., rivets, welding).

Vantaggiosamente il materiale in cui ? realizzata l?impugnatura antimicrobica soddisfa i requisiti dello standard ISO 22196:2011 denominato ?Misurazione dell'attivit? antibatterica su plastiche e altre superfici non porose?. I test condotti secondo il suddetto standard consentono di verificare le propriet? batteriostatiche della plastica, ovverosia la capacit? di inibire la crescita batterica, e battericide, ovverosia la capacit? di eliminare completamente i batteri. Advantageously the material in which? made the antimicrobial handle meets the requirements of the ISO 22196:2011 standard called ?Measurement of the? antibacterial on plastics and other non-porous surfaces?. The tests conducted according to the aforementioned standard allow you to verify the properties? bacteriostatic properties of the plastic, that is the capacity? to inhibit bacterial growth, and bactericide, ie the ability? to completely eliminate the bacteria.

In particolare, sono state condotte prove conformi al suddetto standard, inoculando su appositi campioni di materiale realizzato utilizzando come agente inorganico antimicrobico in polvere lo zinco piritione, microorganismi del ceppo Escherichia Coli e del ceppo Staphylococcus, ed ? stata determinata un?attivit? antibatterica (R) maggiore del 99,999%. In particular, tests complying with the aforementioned standard were carried out, by inoculating specific samples of material made using zinc pyrithione as an inorganic antimicrobial agent in powder form, microorganisms of the Escherichia Coli strain and the Staphylococcus strain, and ? been determined a? activity? antibacterial (R) greater than 99.999%.

Si ? in pratica constatato come il procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchi, secondo il presente trovato, assolva il compito nonch? gli scopi prefissati in quanto consente di realizzare impugnature con propriet? antimicrobiche in un modo semplice, economico ed efficace. Yes ? in practice it has been found that the method for making an antimicrobial handle for a food cooking container and/or for a relative lid, according to the present invention , accomplishes the aim as well as the intended purposes as it allows you to create grips with properties? antimicrobials in a simple, cheap and effective way.

Un altro vantaggio del trovato, consiste nel fatto che tutto il materiale in cui ? principalmente realizzata l?impugnatura presenta propriet? antimicrobiche, pertanto eventuali scalfiture o danneggiamenti superficiali dell?impugnatura, durante l?uso, non ne diminuiscono le propriet? antimicrobiche. Ci? rappresenta un evidente vantaggio tecnico rispetto a soluzioni che prevedono l?applicazione di rivestimenti in materiali di rivestimento aventi propriet? antimicrobiche. Another advantage of the invention consists in the fact that all the material in which it is mainly made? handle has properties? antimicrobial, therefore any scratches or surface damage to the handle during use do not diminish its properties. antimicrobial. There? represents a clear technical advantage compared to solutions that provide for the application of coatings in coating materials having properties? antimicrobial.

Un ulteriore vantaggio del procedimento, secondo il trovato, consiste nel fatto di realizzare impugnature che soddisfano lo standard ISO 22196:2011. A further advantage of the process, according to the invention , consists in the fact that handles are made which comply with the ISO 22196:2011 standard.

Un altro vantaggio ancora consiste nel fatto che il procedimento di realizzazione di impugnature antimicrobiche, secondo il trovato, ? facilmente implementabile nei processi industriali gi? in essere. Yet another advantage consists in the fact that the method for manufacturing antimicrobial grips, according to the invention, is easily implementable in industrial processes already? outstanding.

Inoltre le propriet? antibatteriche conferite all?impugnatura dalla presenza dell?agente antimicrobico inorganico in polvere permangono per una durata compatibile con la vita media dell?impugnatura stessa. Furthermore, the properties the antibacterial properties conferred on the handle by the presence of the inorganic antimicrobial agent in powder form remain for a duration compatible with the average life of the handle itself.

Un altro vantaggio del procedimento di realizzazione dell?impugnatura antimicrobica consiste nel fatto che si avvale solo di sostanze che rispettano il regolamento cosiddetto REACH (dall?acronimo inglese Registration, Evaluation, Authorisation and restriction of CHemicals) vigente nell?Unione Europea. Another advantage of the manufacturing process of the antimicrobial handle consists in the fact that it only uses substances that comply with the so-called REACH regulation (from the English acronym Registration, Evaluation, Authorization and restriction of CHemicals) in force in the European Union.

Il procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio cos? concepito ? suscettibile di numerose modifiche e varianti tutte rientranti nell'ambito del concetto inventivo. The process of making an antimicrobial handle for a cooking container for food and/or for a relative lid as follows? conceived ? susceptible to numerous modifications and variations, all of which are within the scope of the inventive concept.

Inoltre, tutti i dettagli potranno essere sostituiti da altri elementi tecnicamente equivalenti a seconda delle esigenze. Furthermore, all the details may be replaced by other technically equivalent elements according to requirements.

Claims (11)

RIVENDICAZIONI 1) Procedimento di realizzazione di un?impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio, comprendente le fasi di:1) Process for making an antimicrobial handle for a cooking container for food and/or for a related lid, including the steps of: a) mescolare un agente antimicrobico inorganico in polvere almeno con un composto a base di resina fenolica in polvere per ottenere una mescola antimicrobica;a) mixing a powdered inorganic antimicrobial agent at least with a powdered phenolic resin compound to obtain an antimicrobial blend; b) eseguire uno stampaggio a iniezione o a compressione di detta mescola antimicrobica per ottenere un?impugnatura antimicrobica semilavorata;b) performing an injection or compression molding of said antimicrobial compound to obtain a semi-finished antimicrobial handle; c) rifinire detta impugnatura antimicrobica semilavorata per ottenere un?impugnatura antimicrobica finita.c) finishing said semi-finished antimicrobial handle to obtain a finished antimicrobial handle. 2) Procedimento secondo la rivendicazione 1, caratterizzato dal fatto che detta fase a) di mescolare un agente antimicrobico inorganico in polvere almeno con un composto a base di resina fenolica in polvere per ottenere una mescola antimicrobica comprende la fase di mescolare anche un materiale polimerico in polvere rigenerato a partire da residui di lavorazione.2) Process according to claim 1, characterized in that said step a) of mixing an inorganic antimicrobial agent in powder form at least with a compound based on phenolic resin in powder form to obtain an antimicrobial mixture comprises the step of also mixing a polymeric material in powder regenerated from processing residues. 3) Procedimento secondo la rivendicazione 1 o 2, caratterizzato dal fatto che detta fase b) comprende le fasi di:3) Process according to claim 1 or 2, characterized in that said step b) comprises the steps of: b1) rimescolare e portare detta mescola antimicrobica al punto di rammollimento;b1) mixing and bringing said antimicrobial blend to the softening point; b2) iniettare detta mescola antimicrobica rammollita in uno stampo;b2) injecting said softened antimicrobial compound into a mould; b3) solidificare detta mescola antimicrobica rammollita per ottenere detta impugnatura antimicrobica semilavorata.b3) solidifying said softened antimicrobial mixture to obtain said semi-finished antimicrobial handle. 4) Procedimento, secondo la rivendicazione 1, caratterizzato dal fatto che la percentuale in peso tra la quantit? di agente antimicrobico inorganico in polvere e la quantit? di composto a base di resina fenolica in polvere ? compresa tra 0,5% e 4,0%, preferibilmente compresa tra 1,0% e 3,0%.4) Process according to claim 1, characterized in that the percentage by weight between the quantity? of inorganic antimicrobial agent in powder form and the quantity? of compound based on phenolic resin powder ? between 0.5% and 4.0%, preferably between 1.0% and 3.0%. 5) Procedimento, secondo la rivendicazione 2, caratterizzato dal fatto che la percentuale in peso tra la quantit? di agente antimicrobico inorganico in polvere e la quantit? complessiva di composto a base di resina fenolica in polvere e di materiale polimerico rigenerato in polvere ? compresa tra 0,5% e 4,0%, preferibilmente compresa tra 1,0% e 3,0%.5) Process according to claim 2, characterized in that the percentage by weight between the quantity? of inorganic antimicrobial agent in powder form and the quantity? overall composition of powdered phenolic resin-based compound and powdered regenerated polymeric material ? between 0.5% and 4.0%, preferably between 1.0% and 3.0%. 6) Procedimento secondo una o pi? delle rivendicazioni precedenti, caratterizzato dal fatto che detto agente antimicrobico inorganico in polvere presenta una granulometria minore di 500 ?m.6) Procedure according to one or more? of the preceding claims, characterized in that said inorganic antimicrobial agent in powder form has a particle size of less than 500 µm. 7) Procedimento secondo una o pi? delle rivendicazioni precedenti, caratterizzato dal fatto che detto agente antimicrobico inorganico comprende un metallo avente propriet? antimicrobiche scelto fra: oro, argento, rame e zinco.7) Procedure according to one or more? of the preceding claims, characterized in that said inorganic antimicrobial agent comprises a metal having properties antimicrobial chosen from: gold, silver, copper and zinc. 8) Procedimento secondo una o pi? delle rivendicazioni precedenti, caratterizzato dal fatto che detto agente antimicrobico inorganico comprende zinco, preferibilmente in forma di zinco piritione.8) Procedure according to one or more? of the preceding claims, characterized in that said inorganic antimicrobial agent comprises zinc, preferably in the form of zinc pyrithione. 9) Impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio ottenuta da un procedimento secondo una o pi? delle rivendicazioni da 1 a 8.9) Antimicrobial handle for a food cooking container and/or for a relative lid obtained from a process according to one or more? of claims 1 to 8. 10) Impugnatura antimicrobica per un recipiente di cottura per alimenti e/o per un relativo coperchio, caratterizzata dal fatto di comprendere un corpo principale realizzato in una resina fenolica comprendente un agente antimicrobico inorganico omogeneamente distribuito in detto corpo principale realizzato in detta resina fenolica.10) Antimicrobial handle for a food cooking container and/or for a relative lid, characterized in that it comprises a main body made of a phenolic resin comprising an inorganic antimicrobial agent homogeneously distributed in said main body made of said phenolic resin. 11) Impugnatura antimicrobica, secondo la rivendicazione 10, caratterizzata dal fatto che detto agente antimicrobico inorganico comprende zinco, preferibilmente in forma di zinco piritione. 11. Antimicrobial handle, according to claim 10, characterized in that said inorganic antimicrobial agent comprises zinc, preferably in the form of zinc pyrithione.
IT102021000011918A 2021-05-10 2021-05-10 PROCEDURE FOR CREATING AN ANTIMICROBIAL HANDLE FOR A COOKING CONTAINER FOR FOOD AND/OR ITS LID. IT202100011918A1 (en)

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IT102021000011918A IT202100011918A1 (en) 2021-05-10 2021-05-10 PROCEDURE FOR CREATING AN ANTIMICROBIAL HANDLE FOR A COOKING CONTAINER FOR FOOD AND/OR ITS LID.
PCT/IB2022/054192 WO2022238830A1 (en) 2021-05-10 2022-05-06 Process for making an antimicrobial handle for a cooking container for food and/or for a relative lid

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007014001A1 (en) * 2006-03-28 2007-10-04 Access Business Group International Llc, Ada Cookware handle for e.g. cooking pot, has metal insert with attachment section for attaching handle at cooking container, and molded part made of phenolic resin, and formed over insert such that part has recess aligning with connector
KR20110085840A (en) * 2010-01-20 2011-07-27 주식회사 영현 Cooking container of egg for microwave and its making method
US20120074141A1 (en) * 2010-09-27 2012-03-29 Currimjee Abbas Bi-functional cookware lid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007014001A1 (en) * 2006-03-28 2007-10-04 Access Business Group International Llc, Ada Cookware handle for e.g. cooking pot, has metal insert with attachment section for attaching handle at cooking container, and molded part made of phenolic resin, and formed over insert such that part has recess aligning with connector
KR20110085840A (en) * 2010-01-20 2011-07-27 주식회사 영현 Cooking container of egg for microwave and its making method
US20120074141A1 (en) * 2010-09-27 2012-03-29 Currimjee Abbas Bi-functional cookware lid

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