Method of making an inflated hollow rubber article
First Claim
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1. THE METHOD OF MANUFACTURING A HOLLOW RUBBER ARTICLE WHICH COMPRISES THE STEPS OF PREPARING BLANK WALL SECTIONS, EACH CONSISTING OF TWO SUPERPOSED LAYERS OF VULCANIZABLE RUBBER SHEET, ONE LAYER BEING THE INNER LAYER OF THE ARTICLE BEING PROVIDED WITH A FOAMING AGENT ADAPTED TO BE ACTIVATED BY VULCANIZING AND UNIFORMLY DISTRIBUTED THEREIN;
- ASSEMBLING TOGETHER THE BLANK WALL SECTIONS SUBSTANTIALLY TO THE SHAPE OF THE HOLLOW ARTICLE AND SEAMING ALL BUT ONE OF THE ADJOINING EDGES OF THE SECTIONS;
INTRODUCING AN EXPANDING AGENT BETWEEN THE OPEN ADJOINING EDGES INTO THE CAVITY WITHIN THE ARTICLE FORMED BY THE ASSEMBLED BLANK SECTIONS, SEAMING THE OPEN ADJOINING SHAPE AND SIZE, AND VULCANIZING THE INFLATED ARTICLE WITHIN A MOLD HAVING THE DESIRED FINAL CONTOUR OF THE ARTICLE SO THAT SAID LAYERS ARE VULCANIZED TOGETHER WHILE SAID EXPANDING AGENT HOLDS THE ARTICLE AGAINST THE MOLD SURFACE, AND SAID FOAMING AGENT CAUSES THE FORMATION WITHIN SAID INNER LAYER OF A MULTIPLICITY OF CELLS SEPARATED FROM EACH OTHER AND EACH ENCLOSING A GASEOUS MEDIUM.
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1 Claim
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1. THE METHOD OF MANUFACTURING A HOLLOW RUBBER ARTICLE WHICH COMPRISES THE STEPS OF PREPARING BLANK WALL SECTIONS, EACH CONSISTING OF TWO SUPERPOSED LAYERS OF VULCANIZABLE RUBBER SHEET, ONE LAYER BEING THE INNER LAYER OF THE ARTICLE BEING PROVIDED WITH A FOAMING AGENT ADAPTED TO BE ACTIVATED BY VULCANIZING AND UNIFORMLY DISTRIBUTED THEREIN;
- ASSEMBLING TOGETHER THE BLANK WALL SECTIONS SUBSTANTIALLY TO THE SHAPE OF THE HOLLOW ARTICLE AND SEAMING ALL BUT ONE OF THE ADJOINING EDGES OF THE SECTIONS;
INTRODUCING AN EXPANDING AGENT BETWEEN THE OPEN ADJOINING EDGES INTO THE CAVITY WITHIN THE ARTICLE FORMED BY THE ASSEMBLED BLANK SECTIONS, SEAMING THE OPEN ADJOINING SHAPE AND SIZE, AND VULCANIZING THE INFLATED ARTICLE WITHIN A MOLD HAVING THE DESIRED FINAL CONTOUR OF THE ARTICLE SO THAT SAID LAYERS ARE VULCANIZED TOGETHER WHILE SAID EXPANDING AGENT HOLDS THE ARTICLE AGAINST THE MOLD SURFACE, AND SAID FOAMING AGENT CAUSES THE FORMATION WITHIN SAID INNER LAYER OF A MULTIPLICITY OF CELLS SEPARATED FROM EACH OTHER AND EACH ENCLOSING A GASEOUS MEDIUM.
- ASSEMBLING TOGETHER THE BLANK WALL SECTIONS SUBSTANTIALLY TO THE SHAPE OF THE HOLLOW ARTICLE AND SEAMING ALL BUT ONE OF THE ADJOINING EDGES OF THE SECTIONS;
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Current AssigneeCapella Nogue Carlos
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Original AssigneeCapella Nogue Carlos
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InventorsCAPELLA NOGUE CARLOS
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Application NumberUS03/591,842Time in Patent Office575 DaysField of SearchUS Class Current156/79CPC Class CodesB29D 22/00 Producing hollow articles t...B29K 2105/04 cellular or porousY10S 52/10 Polyhedron
