EP1415574B1 - Verfahren zur herstellung von rahmen mit variabler konfiguration für kinositze und/oder ähnliche elemente und der so erhaltene rahmen - Google Patents

Verfahren zur herstellung von rahmen mit variabler konfiguration für kinositze und/oder ähnliche elemente und der so erhaltene rahmen Download PDF

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Publication number
EP1415574B1
EP1415574B1 EP01951707A EP01951707A EP1415574B1 EP 1415574 B1 EP1415574 B1 EP 1415574B1 EP 01951707 A EP01951707 A EP 01951707A EP 01951707 A EP01951707 A EP 01951707A EP 1415574 B1 EP1415574 B1 EP 1415574B1
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EP
European Patent Office
Prior art keywords
frame
sides
chairs
seat
mold
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 - Lifetime
Application number
EP01951707A
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English (en)
French (fr)
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EP1415574A1 (de
Inventor
Gonzalo Robredo Altuzarra
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.)
Euro Seating International SA
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Euro Seating International SA
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Filing date
Publication date
Application filed by Euro Seating International SA filed Critical Euro Seating International SA
Publication of EP1415574A1 publication Critical patent/EP1415574A1/de
Application granted granted Critical
Publication of EP1415574B1 publication Critical patent/EP1415574B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/12—Theatre, auditorium, or similar chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/12—Chairs of special materials of plastics, with or without reinforcement
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/56—Parts or details of tipping-up chairs, e.g. of theatre chairs

Definitions

  • the invention relates to a process for obtaining frames for cinema and theatre chairs and/or the like based on a small number of molded plastic parts allowing to produce chairs with a varying appearance and with support legs adapted to the height required for the chair as well as to the inclined plane of the floor on which they will be installed.
  • the frame obtained by the process described in this invention is extremely easy to assemble, lighter and, also importantly, accepts the injection of polyurethane mass in which it will be embedded better than metal frames.
  • chairs for cinemas, theatres and the like are formed from two metal frames that constitute the seat and the back, with dimensions and configuration adapted to those of the chair to be manufactured.
  • these metal frames consist of a metal frame to which a plurality of rods in the form of springs are welded.
  • the metal frames thereby configured are inserted and positioned in a mold and a polyurethane mass is injected on them which, upon cooling, adopts the shape of the mold, which naturally corresponds to that of the back and/or seat. Obviously, the metal frame is embedded in the polyurethane mass.
  • the next operation is that of upholstering the molded parts, i.e. the seat and the back.
  • the parts that form the seat and the back, after being upholstered, are mounted hinged to each other on sides that are in turn joined to the support legs and the shoes anchoring the chair to the floor.
  • the assembly comprising the sides, legs and anchoring shoes, as explained above, normally consists of independent parts that are welded or bolted to each other.
  • Spanish patent 9500068 describes a side for chairs and a solution for adapting it to the characteristics of the premises containing it.
  • the side itself, the leg and the anchoring shoe are made of metal parts bolted to each other.
  • Spanish patent 9801085 describes an improved process for upholstering seats and backs, by means of which the upholstery operation is integrated in the polyurethane injection operation to provide an upholstery that is perfectly adapted to the outline of the molded part.
  • the process object of the invention allows obtaining frames for cinema chairs, theatre chairs and the like from a small number of parts, as it eliminates the conventional metal frames and replaces them with plastic parts that can have variable dimensions and configuration. Additionally, the costly and complicated sides, legs and metal shoes are eliminated, as these are obtained integrated in a single plastic part with a variable configuration.
  • the plastic parts constituting the backs and seats have a strong frame or structure with transverse slats or bands acting as springs that also allow the polyurethane foam to pass from one side of the part to the other when it is injected on them.
  • plastic frame object of the invention consists of the combination of the following parts:
  • the parts constituting the frame incorporate in the molding process means for a fast attachment of the various accessories, such as the seat hinging and swiveling mechanisms, the back, seat and sides lids or the armrests, thereby simplifying the assembly of these elements as there is no need for screws or other attachment means.
  • a fundamental characteristic of the process object of the invention relates to the fact that in order to obtain the basic parts of the frame, this is the sides, backs and seats, a mould is used having a fixed part in which the invariant part of the piece is conformed, and a complementary interchangeable part in which the aesthetic variations are conformed. In this way, maintaining the same larger part of the mold it is possible to obtain variable configurations of these parts, backs, seats and sides.
  • the fixed part of the mold corresponds to the body of the side common to all parts, while the leg and the shoe are obtained according to the configuration of the interchangeable part of the mold.
  • the lower part of the backs common to all backs shall correspond to the fixed part of the mold, while the top part will have a variable configuration according to the interchangeable part of the mold employed.
  • all parts comprising the frame incorporate ribs and reinforcements that can provide the frame with a strength similar to that of a frame made from metal parts.
  • plastic frame obtained according to the process of the invention presents numerous advantages compared to those currently used, such as the following:
  • the frame object of the invention mainly comprises a pair of sides (1), a seat (2) and a back (3), the frame being completed by the corresponding closing lids (4)(5)(6) and (7), as well as other auxiliary elements such as the armrests (8).
  • the sides (2), backs (3) and seats (4) are each made from a single mold comprising a fixed part (9), which corresponds to the greater part of the piece to be obtained, and an interchangeable part (10), such that according to the configuration of this interchangeable part (10) pieces can be obtained with different shapes and/or dimensions.
  • the side for chairs object of the invention consists of a monoblock body obtained by molding, integrally in plastic, in which three well-differentiated parts are distinguished, corresponding to: a body or side itself (11), a leg (12) and a support shoe (13).
  • the support shoe (13) has a trapezoidal configuration and is widened compared to the intermediate part or leg (12), having orifices (14) slightly inclined to secure the chair to the floor and which are closed by the conventional plugs.
  • the intermediate part or leg (12) is approximately straight and is provided on both sides with a plurality of ribs (15) to stiffen the structure.
  • the upper part or body (11) of the side defines a peripheral profile (16) with an inner core (17) in which a large window or hollowing (18) is established that is approximately concentric to the general outline of the body (11), lightening the side.
  • the body (11) also presents a number of orifices (18) for a fast coupling of the lids (4) and (5), which for this purpose are provided with lugs (19), as well as with orifices (20) for attaching the armrests (8).
  • the body (11) of the side is provided with housings (21) for the corresponding back (3), these housings being arranged to allow assembling the back (3) with various inclinations as desired. It also has housings (22) through which the swiveling shafts for the seats (2) are transversally inserted, as well as a number of orifices (23) disposed on the front part of the body (11) offset in height and separation to allow assembling the seat (2) in a fixed position (so that it cannot swivel) but allowing it to be disposed with different inclinations with respect to the ground.
  • the described side is obtained by molding in a single piece, for which, as shown in figure 3, a single mold is used composed of a fixed part (9) and an interchangeable part (10) so that the fixed part (9) will configure the body (11) of the side that is common to all, while the interchangeable part (10) corresponds to the leg (12)and the anchoring shoe (13), so that depending on the configuration of the interchangeable part (10) the leg (12) will be longer or shorter, and the shoe (13) will be more or less inclined, so that with the same mold it is possible to obtain directly sides with different inclinations to adapt to the different inclinations of the floor, as well as having a greater or lesser height to leave the seat at the desired distance from the floor.
  • a single mold composed of a fixed part (9) and an interchangeable part (10) so that the fixed part (9) will configure the body (11) of the side that is common to all, while the interchangeable part (10) corresponds to the leg (12)and the anchoring shoe (13), so that depending on the configuration of the interchangeable part (10) the leg (12
  • Figure 4 clearly shows different configurations of the interchangeable part (10) with which sides with different configurations can be obtained directly.
  • Figure 5 shows a back (3), also made entirely of plastic and obtained by molding a single piece, composed of a support or peripheral frame (24) and a series of longitudinal bands or strips (25) that give the back the elasticity provided by the springs in conventional frames.
  • the peripheral frame (24) has a series of longitudinal ribs (26), concentric and peripheral, intended to provide the back with he required stiffness and strength, while the transverse bands (25) are provided with ribs (27), transverse and longitudinal, intended to provided the aforementioned bands (25) with a sufficient stiffness yet maintaining the required elasticity.
  • cylindrical supports or bushings (28) in correspondence with the profile of the frame (24) with which the brackets (29) will be attached in the housings (21) of the sides (1), supporting and stopping the seat (2) of the chair and a series of orifices (30) disposed on the rear of the frame (24) with which the rear lid (7) is attached.
  • the back (3) is obtained from a single mold, constituted by a fixed part and an interchangeable part, the fixed part corresponding to the lower and central part of the back that is common to all backs, while the interchangeable part is meant to obtain the upper part of the back, which can therefore have different lengths and/or configurations, as shown in the discontinuous lines of figure 5.
  • figure 6 shows a seat obtained according to the process of the invention that is constituted, as is the back, by a peripheral frame (31) and a series of transverse bands (32) that act as springs, obtaining the assembly by molding plastic in a single mold.
  • the seat also incorporates bushings (32) obtained in the molding operation of the seat itself, in which pins are housed that act as rotation and swiveling shafts, and which on their other end are inserted in the housings (22) of the sides (1).
  • the frames (31) of the seats also present housings (34) for assembling the rear closure lid (6), which will be provided for such purpose with the corresponding lugs (35).
  • the seats (2) normally have a configuration common to all chairs, but if it is necessary to obtain seats (2) with different appearance it is possible to use, as with the sides (1) and backs (3), moulds with a fixed part and an interchangeable part.

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Seats For Vehicles (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (9)

  1. Verfahren zur Herstellung von Rahmen mit einem variablen Aufbau für Kinositze, Theatersitze oder dergleichen und den dabei erhaltenen Rahmen, dadurch gekennzeichnet, dass alle Teile einschließlich der Hauptteile, dies sind die Rückseite, der Sitz und die Seiten, aus einem Kunststoffmaterial gefertigt ist und durch Formen in Formen hergestellt werden, die einen festen Teil und einen variablen Teil umfassen, wobei der feste Teil der Form mit dem unveränderlichen Teil des Stücks übereinstimmt, und der variable Teil der Form mit den verschiedenen ästhetischen Variationen übereinstimmt.
  2. Verfahren zur Herstellung von Rahmen mit einem variablen Aufbau für Kinositze, Theatersitze oder dergleichen und den dabei erhaltenen Rahmen gemäß Anspruch 1, dadurch gekennzeichnet, dass die Seiten (1) des Rahmens durch Formen von Kunststoff unter Verwendung einer einzelnen Form für alle möglichen Seiten hergestellt werden, wobei die Form einen festen Teil (9) mit einem Aufbau, der dem Körper (11) der Seite (1) entspricht, der bei allen Seiten gleich ist, und einen auswechselbaren Teil (10) aufweist, mit dem das Bein (12) und der Lagerschuh (13) so hergestellt werden, dass gemäß dem Aufbau des auswechselbaren Teils der Form (10) Seiten (1) mit Beinen (12) verschiedener Längen und Schuhe (13) mit verschiedenen Neigungen hergestellt werden.
  3. Verfahren zur Herstellung von Rahmen mit einem variablen Aufbau für Kinositze, Theatersitze oder dergleichen und den dabei erhaltenen Rahmen gemäß Anspruch 1, dadurch gekennzeichnet, dass die Rückseiten (3) des Rahmens durch Formen von Kunststoff unter Verwendung einer Form hergestellt werden, die einen festen Teil aufweist, mit dem das untere und das zentrale Segment der Rückseite hergestellt werden, das bei allen gleich ist, während der auswechselbare Teil dazu bestimmt ist, den oberen Teil der Rückseite mit verschiedenen Aufbauten oder Oberflächen herzustellen.
  4. Verfahren zur Herstellung von Rahmen mit einem variablen Aufbau für Kinositze, Theatersitze oder dergleichen und den dabei erhaltenen Rahmen gemäß Anspruch 1 und 2, dadurch gekennzeichnet, dass die Sitze (2) des Rahmens durch Formen von Kunststoff unter Verwendung einer einzelnen Form für alle Typen von Sitzen hergestellt werden, wobei die Form optional einen festen Teil und einen auswechselbaren Teil aufweist.
  5. Rahmen für Kinositze und/oder dergleichen, dadurch gekennzeichnet, dass er umfasst:
    a) Ein paar Seiten (4), hergestellt aus Kunststoffmaterial, die den Körper (11) oder die Seite selbst, das Bein (12) und den Lagerschuh (13) beinhalten,
    b) Eine Rückseite (3), hergestellt aus Kunststoffmaterial, die einen stabilen Rahmen und Querbänder (25) aufweist, die als elastische Elemente wirken,
    c) Einen Sitz (2), hergestellt aus Kunststoffmaterial, der einen stabilen Rahmen und Querbänder (32) aufweist, die als elastische Elemente wirken,
    d) Komplementäre Teile wie zum Beispiel Klappen (4), (5), (6) und (7) und Armlehnen (8),
    wobei der Rahmen einen variablen Aufbau aufweist,
    und so ist, dass alle Teile, die den Rahmen ausbilden, Mittel für eine feste Anbringung der verschiedenen Zubehörteile und für die Gelenk- und Drehmittel für den Sitz, die Rückseite, Sitz- und Seitenschließklappen oder für die Armlehnen eingliedern, wodurch der Zusammenbau dieser Elemente vereinfacht wird, da keine Schrauben oder andere Befestigungsmittel erforderlich sind.
  6. Rahmen für Kinositze und/oder dergleichen gemäß Anspruch 5, dadurch gekennzeichnet, dass der Körper (11) der Seite (1) ein Umfangsprofil (16) mit einem inneren Kern (17) umfasst, in dem eine große Öffnung oder Aushöhlung (18) etwa konzentrisch zu der allgemeinen Kontur des Körpers (11) ausgebildet ist, wodurch eine Erleichterung der Seite geschaffen wird, der eine Anzahl von Öffnungen (18) für eine feste Kopplung der Klappen (4) und (5), die für diesen Zweck mit Ansätzen (19) versehen werden, sowie Öffnungen (20) zur Befestigung der Armlehnen (8), wobei der Körper (11) der Seite auch Gehäuse (21) zur Verankerung der entsprechenden Rückseite (3), wobei diese Gehäuse verteilt sind, um den Anbau der Rückseiten (3) mit verschiedenen Neigungen zuzulassen, und Gehäuse (22) aufweist, durch die die Drehachsen für die Sitze (2) quer eingeführt werden, eine Anzahl von Öffnungen (23) aufweist, die auch in dem Vorderteil des Körpers (11) in der Höhe und im Abstand versetzt angeordnet sind, um den Zusammenbau des Sitzes (2) in einer festen Position (so dass er sich nicht drehen kann) zuzulassen, wobei dennoch zugelassen wird, dass er in verschiedenen Neigungen bezüglich des Bodens angeordnet wird.
  7. Rahmen für Kinositze und/oder dergleichen gemäß Anspruch 5 und 6, dadurch gekennzeichnet, dass der Lagerschuh (13) Gehäuse (14) einschließt, die leicht geneigt bezüglich der Lagerfläche des Schuhs (13) sind, um die Seite im Boden zu verankern, wobei die Gehäuse durch Verschlüsse verschlossen sind, die das Eindringen von Staub und Fremdkörpern verhindern.
  8. Rahmen für Kinositze und/oder dergleichen nach Anspruch 5, dadurch gekennzeichnet, dass die Rückseite (3) einen Trag- oder Umfangsrahmen (24) und eine Anzahl Längsbänder oder -streifen (25) umfasst, die der Rückseite die Elastizität geben, die durch die Federn in konventionellen Rahmen bereitgestellt wird, wobei der Umfangsrahmen (24) eine Anzahl Längsrippen (26) aufweist, die konzentrisch und umfänglich dazu bestimmt sind, die Rückseite mit der nötigen Steife und Festigkeit zu versehen, während die Querbänder (25) Quer- und Längsrippen (27) aufweisen, um die zuvor genannten Bänder (25) mit der ausreichenden Steife zu versehen, wobei die erforderliche Elastizität beibehalten wird, so dass in dem Formvorgang der Rückseite (3) zylindrische Lager oder Buchsen (28) in Übereinstimmung mit den Seiten der Profile des Rahmens (24) hergestellt werden, mit dem sie in den Gehäusen (21) der Seiten (11) befestigt werden soll, sowie Halterungen (29), die als ein Lager und Anschlag für den Sitz (2) des Stuhls wirken, und eine Anzahl von Öffnungen (30), die in dem hinteren Teil des Rahmens (24) angeordnet sind, durch welchen die hintere Klappe (7) befestigt ist.
  9. Rahmen für Kinositze und/oder dergleichen nach Anspruch 5, dadurch gekennzeichnet, dass der Sitz (2) einen Umfangsrahmen (31) und eine Anzahl von Querbändern (32) umfasst, die die Buchsen (33) in dem Sitzformverfahren einschließen, in denen die Stifte aufgenommen sind, die als Dreh- und Schwenkelemente wirken, die auf der anderen Seite in die Gehäuse (22) der Seiten (1) eingeführt werden, auch so, dass die Rahmen (31) der Sitze zusätzlich mit Gehäusen (34) zum Anbau der hinteren Schließklappen (6) versehen sind, die für solche Zwecke mit den entsprechenden Ansätzen versehen sind.
EP01951707A 2001-07-19 2001-07-19 Verfahren zur herstellung von rahmen mit variabler konfiguration für kinositze und/oder ähnliche elemente und der so erhaltene rahmen Expired - Lifetime EP1415574B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2001/000285 WO2003007758A1 (es) 2001-07-19 2001-07-19 Procedimiento de obtención de armazones de configuración variable para butacas de cines y/o similares y armazón así obtenido

Publications (2)

Publication Number Publication Date
EP1415574A1 EP1415574A1 (de) 2004-05-06
EP1415574B1 true EP1415574B1 (de) 2007-06-20

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Application Number Title Priority Date Filing Date
EP01951707A Expired - Lifetime EP1415574B1 (de) 2001-07-19 2001-07-19 Verfahren zur herstellung von rahmen mit variabler konfiguration für kinositze und/oder ähnliche elemente und der so erhaltene rahmen

Country Status (6)

Country Link
EP (1) EP1415574B1 (de)
AT (1) ATE365009T1 (de)
DE (1) DE60129049T2 (de)
ES (1) ES2288968T3 (de)
PT (1) PT1415574E (de)
WO (1) WO2003007758A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9986833B1 (en) 2014-03-23 2018-06-05 First Class Seating, LLC Modular cinema lounge chair

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2245175B1 (es) * 2003-04-29 2007-02-16 Euro Seating International, S.A. Procedimiento para la obtencion de costados de butacas, y costados asi obtenidos.
ES2268919B1 (es) * 2003-04-29 2008-03-01 Euro Seating International, S.A. Mejoras introducidas en la patente de invencion 200300973 por "procedimiento para la obtencion de costados de butacas, y costados asi obtenidos.
WO2007144436A1 (es) 2006-06-09 2007-12-21 Euro Seating International, S.A. Módulo de costado para butaca, butaca y fila de butacas
KR101455368B1 (ko) 2012-05-09 2014-10-27 주식회사 한성에스앤씨 관람석 의자용 받침대 부착판
US11213127B2 (en) * 2020-05-14 2022-01-04 L&P Property Management Company Compact adjustable reclining mechanism for a theater seating unit with planar back drop

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH483820A (it) * 1968-09-12 1970-01-15 Ticinfin Anstalt Poltroncina specialmente per sale per spettacoli
US3747978A (en) * 1972-03-07 1973-07-24 American Seating Co Transit seat with contoured plastic shell
ES254966Y (es) * 1980-12-11 1981-11-01 Butaca
ES2120315B1 (es) * 1995-01-16 1999-04-16 Euro Seating Int Sa Lateral universal para butacas de cines y similares.
US5951110A (en) * 1997-10-17 1999-09-14 Irwin Seating Company Contoured plastic seat back

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9986833B1 (en) 2014-03-23 2018-06-05 First Class Seating, LLC Modular cinema lounge chair

Also Published As

Publication number Publication date
ES2288968T3 (es) 2008-02-01
ATE365009T1 (de) 2007-07-15
DE60129049T2 (de) 2008-02-28
DE60129049D1 (de) 2007-08-02
PT1415574E (pt) 2007-10-11
WO2003007758A1 (es) 2003-01-30
EP1415574A1 (de) 2004-05-06

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