Electric heating – Heating devices – Combined with pressure application means
Patent
1982-11-30
1985-06-18
Bartis, A.
Electric heating
Heating devices
Combined with pressure application means
34 91, 34243R, 38 69, 38 82, 38 97, 126411, 219228, 219258, 219361, 219368, 219370, 219373, 219380, 219474, D06F 7500, A45D 2012, H05B 100
Patent
active
045242631
DESCRIPTION:
BRIEF SUMMARY
The invention concerns an electric iron, particularly a travel iron, with an ironing plate, an upper part that may in some cases have a hand-grip and a heating part.
Electric irons of this kind are known. They have a massive, heavy bottom plate of metal in or upon the upper side of which heating coils, or the like, are electrically insulated and mounted beneath a protective cover. Above the protective cover, which is usually affixed to the bottom plate, there is as a rule an upper part for the iron usually affixed to the protective cover and equipped with a handle. The underside of the bottom plate, which ordinarily is mostly smooth, is heated for ironing by the electrical heating spiral or the like.
Such irons have some disadvantages, however, for particular kinds of application. In particular they are too heavy for taking along on a trip and also too cumbersome. In order to avoid this inconvenience, so-called travel irons have already been produced for a long time. These represent essentially only embodiments on a smaller scale of the same irons described above. They have practically the same expensive production and are still relatively heavy and cumbersome.
It is accordingly an object of this invention to provide an iron which will above all be easy to transport and to store, avoiding to a great extent the disadvantages mentioned above, and will also be relatively cheap to produce.
Briefly, by this invention an electric iron of the kind already mentioned is provided in which the upper part and the heating part are constituted by an electric hair-dryer or the like, in front of the hot-air nozzle of which there is arranged an ironing plate which allows the heat generated by the hair-dryer to pass through it.
In such an appliance, the hot air delivered by the hair-dryer is drawn upon for ironing, and the ironing plate which in practice is provided as an accessory for the hair-dryer can be made unusually light. The complete iron, including the hair-dryer, can, if desired, weigh noticeably less than a comparable travel iron, but still, at the same time, it can additionally be used as a hair-dryer. It has also been found that in the case of such an iron, for the reason, among others, that hot air is provided for heat transfer, there is no burning of the article to be pressed or an ironing board, or the like, located below, even if this iron is not turned off, e.g. while it remains standing on the article to be pressed.
A particularly advantageous embodiment of the iron is provided when its ironing plate has apertures or the like, more or less in the region of the hot air stream of the hair-dryer. The hot air can thereby directly reach the article being pressed within the region of the ironing plate, so that to a certain extent hot air and ironing plate simultaneously affect the article being pressed.
In order to reduce heat radiation from the ironing plate, it is useful to dispose a reflection plate between the hot-air nozzle and the ironing plate having an aperture lying opposite the hot-air nozzle, by which the hot-air stream is guided through a gap along the upperside of the ironing plate. The reflection plate thus produces an improvement of the flow conditions, with a heating film between the reflection plate and the ironing plate. An increased heat pick-up by the ironing plate results and thereby also a higher ironing temperature, which leads to a shortening of the ironing time. The opening in the reflection plate can have essentially the same shape as the hot-air nozzle of the hair-dryer and be a flat aluminum plate of which the underside is mirror-bright, in order to reflect back to the ironing plate the heat radiated upwards therefrom. In contrast, the upper side reflection plate can be lacquered dark.
In order to keep the heat transfer between the ironing plate and the reflection plate at low values, heat-insulating spacers can be provided between the reflection plate and the ironing plate. Special flow relations are produced if, in the case of another embodiment, the reflection plate is domed in su
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patent: 3702616 (1972-11-01), Mercer
patent: 3860174 (1975-01-01), Cercone
Bartis A.
Braun Aktiengesellschaft
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