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FR2665110A1 - Mould for manufacture of heart-shaped inflatable natural-latex balloons - Google Patents

Mould for manufacture of heart-shaped inflatable natural-latex balloons Download PDF

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Publication number
FR2665110A1
FR2665110A1 FR9009561A FR9009561A FR2665110A1 FR 2665110 A1 FR2665110 A1 FR 2665110A1 FR 9009561 A FR9009561 A FR 9009561A FR 9009561 A FR9009561 A FR 9009561A FR 2665110 A1 FR2665110 A1 FR 2665110A1
Authority
FR
France
Prior art keywords
heart
mould
hollow
mold
thickness
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
FR9009561A
Other languages
French (fr)
Other versions
FR2665110B1 (en
Inventor
Rocca Onorio
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.)
ROCCA ONONIO
Original Assignee
ROCCA ONONIO
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 ROCCA ONONIO filed Critical ROCCA ONONIO
Priority to FR9009561A priority Critical patent/FR2665110B1/en
Publication of FR2665110A1 publication Critical patent/FR2665110A1/en
Application granted granted Critical
Publication of FR2665110B1 publication Critical patent/FR2665110B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/02—Inflatable articles
    • 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
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/38—Moulds, cores or other substrates
    • B29C41/40—Cores
    • 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
    • B29C41/14—Dipping a core
    • 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
    • B29K2007/00—Use of natural rubber as moulding 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0058—Liquid or visquous
    • B29K2105/0064—Latex, emulsion or dispersion
    • 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
    • B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
    • 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
    • B29L2031/54—Balls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

The invention relates to a mould enabling a heart-shaped balloon to be manufactured. It consists of a foot (for example of 6 mm in width) and of a part of the body (1) progressively widening out until three times its initial width, that is 18 mm (2). At approximately 6/7 mm from the hollow of the heart, the mould is progressively reduced (3) until a rounded part of approximately 1 mm in width is obtained since the impact with the latex has to take place without a flat part. The technical characteristics of the mould according to the invention can be adapted to all moulds relating to balloons, exhibiting possible stretching over parts of the mould when inflating.

Description

La présente invention concerne un moule à ballon baudruche (latex naturel) en forme de coeur conçu de telle sorte qu'il évite des déchets au gonflage. The present invention relates to a heart shaped balloon mold (natural latex) designed so that it avoids waste during inflation.

Les moules courants sont en général plats, pratiquement sur toute leur surface (d'une épaisseur d'environ 6 à 10 mm), ce qui ne permet pas une bonne réalisation de certaines formes de ballons qui éclateraient souvent au gonflage et seraient de ce fait difficilement commercialisables. Common molds are generally flat, practically over their entire surface (with a thickness of approximately 6 to 10 mm), which does not allow a good production of certain forms of balloons which would often burst on inflation and would therefore be difficult to market.

En effet, sur un moule normal d'une moyenne de 6 mm d'épaisseur, au gonflage, l'étirement sur le creux équivaut à une charge de 3 kg. La résistance est insuffisante, d'où déchets importants. In fact, on a normal mold with an average thickness of 6 mm, when inflated, stretching on the hollow is equivalent to a load of 3 kg. The resistance is insufficient, hence significant waste.

Le moule, selon l'invention, permet de pallier cet inconvénient grâce à la variation de l'épaisseur des formes (accroissement ou rétrécissement). The mold according to the invention overcomes this drawback by varying the thickness of the shapes (increase or shrinkage).

Sur un moule dont le creux est bâti sur une épaisseur de 18 mm, l'étirement équivalent à une charge de 3 kg se répartit sur 18 mm au lieu de 6, d'où résistance pratiquement triplée. On a mold whose hollow is built on a thickness of 18 mm, the stretch equivalent to a load of 3 kg is distributed over 18 mm instead of 6, from where resistance practically tripled.

Il est en effet conçu, dans l'exemple présent (dessin annexé) : sur un pied de 6 mm d'épaisseur, avec une augmentation progressive au niveau du corps atteignant trois fois son épaisseur, soit 18 mm , puis avec une diminution progressive, à 6/7 mm environ du creux du "coeur", jusqu'à l'obtention d'un arrondi de 1 mm de large. It is in fact designed, in the present example (appended drawing): on a 6 mm thick foot, with a progressive increase in the level of the body reaching three times its thickness, ie 18 mm, then with a progressive decrease, about 6/7 mm from the hollow of the "heart", until a rounding of 1 mm wide is obtained.

Les dimensions du moule ne sont pas impératives et peuvent être basées sur une autre échelle. The dimensions of the mold are not imperative and can be based on another scale.

L'invention réside dans le fait que grâce à cette forme de moule, au gonflage, le creux du ballon en forme de coeur résiste à l'étirement de la matière, n'éclate pratiquement pas et permet de réduire sensiblement les déchets.  The invention resides in the fact that thanks to this form of mold, when inflated, the hollow of the heart-shaped balloon resists stretching of the material, practically does not burst and makes it possible to reduce waste considerably.

Le point de départ du grossissement ou du rétrécissement de l'épaisseur n'est pas impératif ; il doit se faire progressivement et harmonieusement pour que, lors du trempage, le latex adhère au moule sans à-coup. The starting point for enlarging or shrinking the thickness is not imperative; it must be done gradually and harmoniously so that, during soaking, the latex adheres to the mold smoothly.

Les dessins annexés illustrent l'invention
La figure 1 représente le pied du moule et une partie du corps (1), épaississement progressif du moule (2) et rétrécissement vers le creux (3).The accompanying drawings illustrate the invention
Figure 1 shows the base of the mold and part of the body (1), progressive thickening of the mold (2) and narrowing towards the hollow (3).

La figure 2 représente le moule vu du haut. Figure 2 shows the mold seen from above.

La figure 3 représente le moule vu de profil. Figure 3 shows the mold seen in profile.

Ce système de variations d'épaisseur peut être adapté sur tous les moules pour fabrication de ballons baudruche de diverses formes et ces épaisseurs peuvent varier selon les points à "soulager".  This thickness variation system can be adapted on all molds for the manufacture of balloons of various shapes and these thicknesses can vary according to the points to be "relieved".

Claims (4)

REVENDICATIONS 1 - Moule pour fabrication de ballons de baudruche en latex naturel gonflable, en forme de coeur, caractérisé en ce qu'il comporte dans son ensemble des variations d'épaisseurs - visant à obtenir un creux de coeur plus épais que l'épaisseur initiale du moule - permettant de soulager les étirements sur un point précis du modèle (en l'occurrence le creux du coeur) pour éviter ainsi les déchets importants au gonflage. Les dimensions des épaisseurs ne sont pas impératives ; l'essentiel de l'invention est que le creux du coeur soit plus épais que l'épaisseur initiale. 1 - Mold for the manufacture of balloons made of natural inflatable latex, in the shape of a heart, characterized in that it as a whole comprises variations in thickness - aimed at obtaining a hollow of the heart which is thicker than the initial thickness of the mold - to relieve stretching on a specific point of the model (in this case the hollow of the heart) to avoid significant waste during inflation. The dimensions of the thicknesses are not imperative; the essence of the invention is that the hollow of the heart is thicker than the initial thickness. 2 --Moule~selon la revendication 1 caractérisé en ce qu'il comporte un pied et une partie du corps, par exemple de 6 mm d'épaisseur (1). 2 - ~ mold according to claim 1 characterized in that it comprises a foot and a part of the body, for example 6 mm thick (1). 3 - Moule selon la revendication 1 ou la revendication 2 caractérisé en ce qu'il comporte, par exemple, un accroissement progressif de 3 fois son épaisseur initiale soit 18 mm (2). 3 - Mold according to claim 1 or claim 2 characterized in that it comprises, for example, a gradual increase of 3 times its initial thickness is 18 mm (2). 4 - Moule selon l'une quelconque des revendications précédentes caractérisé en ce qu'il comporte , à environ 6/7 mm du creux du coeur, une progressive réduction de l'épaisseur (3) jusqu'à l'obtention d " un arrondi de 1 min environ de large.  4 - Mold according to any one of the preceding claims, characterized in that it comprises, approximately 6/7 mm from the hollow of the heart, a gradual reduction in thickness (3) until a rounded shape is obtained. about 1 min wide.
FR9009561A 1990-07-26 1990-07-26 MOLD FOR MANUFACTURING INFLATABLE NATURAL LATEX BAUDRUCE BALLOONS, HEART-SHAPED. Expired - Fee Related FR2665110B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9009561A FR2665110B1 (en) 1990-07-26 1990-07-26 MOLD FOR MANUFACTURING INFLATABLE NATURAL LATEX BAUDRUCE BALLOONS, HEART-SHAPED.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9009561A FR2665110B1 (en) 1990-07-26 1990-07-26 MOLD FOR MANUFACTURING INFLATABLE NATURAL LATEX BAUDRUCE BALLOONS, HEART-SHAPED.

Publications (2)

Publication Number Publication Date
FR2665110A1 true FR2665110A1 (en) 1992-01-31
FR2665110B1 FR2665110B1 (en) 1994-04-08

Family

ID=9399129

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9009561A Expired - Fee Related FR2665110B1 (en) 1990-07-26 1990-07-26 MOLD FOR MANUFACTURING INFLATABLE NATURAL LATEX BAUDRUCE BALLOONS, HEART-SHAPED.

Country Status (1)

Country Link
FR (1) FR2665110B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR331378A (en) * 1903-04-20 1903-09-10 Rubber Balloon Company Of Amer Improvements in the manufacture of toy balloons or expandable bags of rubber or similar materials
US1547310A (en) * 1924-01-16 1925-07-28 Charles R Elliott Mold
US2053371A (en) * 1933-11-18 1936-09-08 Barr Rubber Products Company Method of making inflatable articles
FR1089625A (en) * 1953-09-17 1955-03-21 Process for manufacturing rubber shaped pouches intended to be inflated

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR331378A (en) * 1903-04-20 1903-09-10 Rubber Balloon Company Of Amer Improvements in the manufacture of toy balloons or expandable bags of rubber or similar materials
US1547310A (en) * 1924-01-16 1925-07-28 Charles R Elliott Mold
US2053371A (en) * 1933-11-18 1936-09-08 Barr Rubber Products Company Method of making inflatable articles
FR1089625A (en) * 1953-09-17 1955-03-21 Process for manufacturing rubber shaped pouches intended to be inflated

Also Published As

Publication number Publication date
FR2665110B1 (en) 1994-04-08

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