113 results about "Welding goggles" patented technology

A device for improved vision into or out of at least one eye of a subject. The device comprises an enclosing vessel for holding one or more lenses in front one or two eyes of the subject and for holding a substance whose refractive index is matched to the refractive index of the cornea. The vessel is adapted to seal the substance to the face around the eye or eyes of the subject thereby allowing focusing into or out of the eye or eyes.

An optical device, such as spectacles or goggles, has a segmented display (3) formed in a transparent substrate by directing light from a number of light sources (15) through respective light guides (14) and reflecting the light out of the transparent substrate at the ends of the light guides (14) to form individually illuminable segments (13). The device has the advantage that an electronically-generated display can be displayed to a viewer in combination with the image transmitted through the transparent substrate simply and relatively inexpensively.

The invention discloses a free-form surface goggles-based see-through helmet mounted display device. A pair of free-form surface goggles is arranged in front of a helmet body, wherein micro-display imaging devices and relay lens assemblies are arranged in front of the helmet body and on the two sides of the upper part of the free-form surface goggles respectively; the two relay lens assemblies are arranged at an inclination angle of 42 degrees; each relay lens assembly comprises a first relay lens, a second relay lens, a third relay lens, a fourth relay lens, a fifth relay lens and a sixth relay lens; and the first relay lens, the second relay lens, the third relay lens, the fourth relay lens, the fifth relay lens and the sixth relay lens are arranged in turn. In the device, a tire tread-shaped free-form surface is used for imaging, so the device can realize a large off-axis angle of 33 degrees, correct the aberration well and obviously improve the imaging quality and has a simple structure; the device is suitable to be arranged on a human head and conforms to the characteristic of man-machine efficacy; and by using the design of a short-focus large angle of view, the device has an exit pupil of between 12 and 15mm and an angle of view of between 40 and 50 degrees.

A flat or curved photochromic laminate structure and a plastic photochromic lens blank can be produced in a simple and efficient manner from relatively low-cost polymeric sheet materials. These laminates can be used to provide goggles, face shields, windows, window coverings, skylights, and optical lenses having efficient, uniform and high quality photochromic properties. The use of a polyesterurethane as the binder for the photochromic material has been found to improve the performance of the photochromic material. There may be a desire to have a protective exterior layer (e.g., an abrasion resistant layer) in combination with the lens system, but that may be provided in various methods. In the case of using the laminate in a goggle application, the laminate may be hard coated on one or both outer surfaces with an abrasion resistant coating, antireflective coating, and / or an anti-fog hard coating.

A visor for a helmet or the like has a curved, transparent shield with an inner surface and an outer surface. The shield is provided with attachment elements for connecting the visor to the helmet and further includes a viewing region having a photochromatic insert at its outer surface, capable of responding to incident light. The shield is formed of a first plastic material provided with an amount of UV stabilizing additives, the UV stabilizing additives protecting the first plastic material from degradation by UV radiation during use, and the insert includes a second plastic material without UV stabilizing additives or having substantially less UV stabilizing additives than the first plastic material. A manufacturing process for producing a visor with a functional insert region is also disclosed.

A light for headgear includes a shroud plate having a shell configured to receive a goggle mount, the shell having a periphery generally conforming to a contour of the headgear; and a lighting system on the shell having at least one light. The light further includes a power unit electrically coupled to the lighting system.

Eye shield device adapted for fog prevention for use in a ski goggle, dive mask, medical or testing face shield or the like, while preventing undesirable hot spots on the eye shield, comprising an optically-transparent substrate, a plurality of conductive regions defined on the substrate and connected to a powered circuit of one or more channels. The regions on the substrate are electrically isolated from each other in a first embodiment, and the regions on the substrate are not electrically isolated, or contiguous with adjacent regions on the substrate, in a second embodiment. The regions may be uniformly-sized or of varying sizes and shapes from one region to the next region, and resistivity per square of heating material applied to the regions may be selected based on formulation of the heating material and / or thickness of the heating material.

Provided is automatic shading goggles in that a welding helmet is manufactured in a goggle shape, so that the size thereof is compact and the weight thereof is light and a shading degree of a LCD lens can be selectively adjusted in any one mode of a welding mode for shielding a harmful light generated during welding operation and a security mode for shielding a visible ray, so that it can reduce a burden of the weight applied to a worker, block a strong light during welding operation, and easily distinguish the surrounding objects, when the welding operation is not performed.

Disclosed is a welding mask that enables a user to easily and conveniently perform manipulation thereof, thereby protecting the user's eyes and face. The welding mask includes a welding face to cover the user's face, the welding face having a transparent window, a wearing band to be worn on the user's hair, the wearing band being coupled to the welding face such that the welding face is rotated upward / downward, a liquid crystal display (LCD) shielding goggle including an LCD panel mounted at the rear of the transparent window of the welding face to protect the user's eyes from strong injurious light rays generated during welding, and a manipulation unit disposed spaced apart from the lower end of the LCD shielding goggle, the manipulation unit serving to detect injurious light rays generated during welding and operate the LCD panel accordingly.

The invention relates to an intelligent automatic dipping liquid crystal welding goggle which is based on DSP (Digital Signal Processing) control to simulate human eyes for sensitization, and comprises a control module, a light trigger module, a sensitization module, a manual setting module, an adjusting module and liquid crystal lenses. When the goggle is in use, relevant parameters of the dipping liquid crystal welding goggle are set through the manual setting module; during welding, a light intensity signal of welding arc collected by the light trigger module triggers the dipping liquid crystal welding goggle to work; and during the working process of the goggle, the sensitization module collects the intensity of the welding arc and transfers intensity information of the arc to the control module, the control module transmits a control signal to the adjusting module according to the intensity information of the arc received from the sensitization module and the parameter information set through the manual setting module, and the adjusting module adjusts the light transmittance of the liquid crystal lens according to the control signal received from the control module. The operating flexibility of welding personnel is improved simultaneously when the eyes of the welding personnel are protected.

The invention discloses a welding mask and relates to the field of mechanical accessories. The welding mask comprises a mask body, goggles are arranged on the mask body, and a movable binding band is arranged on the mask body, so that the mask can be fixed at the head during electrowelding and does not fall down due to gravity action, convenience is brought to two hands to hold for electrowelding, welding quality is improved, and expense for making a welding helmet connected with the mask can be saved. The goggles include spectacles and an ink-color convex lens, the spectacles protect eyes from being hit by splashing objects, the ink-color convex lens expands visible field and filters arc light, and is inserted, and lenses can be replaced according to own needs; a protecting mask is arranged below the goggles, so that smoothness in breathing is realized, and respiratory gas is stopped from ascending to mist the goggles; a filtering chip is arranged in the protecting mask, so that protection from toxic air generated during electrowelding is realized; a lining face is arranged on the inner side of the mask body, so that a buffering space is formed between the mask and skin, and wearing friction force and comfortability of the mask are improved.

An anti-glare protection device, for example a pair of welding goggles, a welding mask or a welding helmet, includes a supporting part with a sight opening (3), an optical filter element arranged in the sight opening, and a protective plate (1), which is mounted or can be mounted on the supporting part such covering the optical filter element. For the protection of the filter element against contamination with dirt and in order to protect the wearer of the anti-glare protection device against undesirable gases, smoke and dirt, a seal (4) made out of an elastically compressible material is disposed either between the supporting part and the protective plate (1) or between the filter element and the protective plate (1). The seal extends substantially around the sight opening and is advantageously affixed either to the supporting part, to the protective plate (1), or to the filter element.

Swimming goggles comprise a left frame body, a right frame body, lenses, a connecting element, each of the left and right frame bodies having an outer peripheral face, and the outer peripheral faces forming a combination base having a first platform and a second platform thereon, the first platform forming a combination element; the connecting element interconnecting the left and right frame bodies and forming a surface side and a nasal side, the nasal side forming a first junction and a second junction with respect to the first platform and the second platform, respectively, the first junction forming a clamping hole corresponding to the combination element, the nasal side being conformed to the contour of the combination bases, wherein the nasal side and the combination bases together form a smooth surface which could be perfectly fit into both sides of the nose bridge for comfortably wearing in swimming.

This invention relates to a means of securing a lens member into a snow goggle frame member, wherein the goggle frame member includes first insertion apertures, with first locating blocks at front edge, the lens member has a lens secured thereon, the lens includes first troughs to receive a corresponding first block therein, a pair of first rails are formed at respective sides of the first trough, each first rail has a first notch which includes a pair of second notches thereat, retainers are secured to the goggle frame and lens frame respectively, one end of the first insertion aperture includes a first insertion post at one end and a first insertion section at the other end thereof to receive the first insertion post therein, the first insertion section is then inserted into the first notch. The goggle may be replaced with various lenses and secured firmly.

The invention relates to a measuring system of automatic light change goggles response time, in particular to a measuring system of automatic light change goggles response time making use of laser, modulated infrared light, electronic technology and computer technology. The invention consisting of a testing light source, a triggering unit, a signal reception / pretreatment unit, a digital signal treatment / control unit and a power module is characterized in that: the bright and dim status conversion of the liquid crystal screen of the goggles to be measured is controlled by the infrared triggering light source through a computer, the variation of the transparency degree of the goggles is also detected simultaneously, and thus the response time or turn-off and recovery time of the goggles can be worked out. The invention has the advantages of simple structure, portability, energy conservation and consumption reduction, as well as convenient use. The invention which adopts a Europe standard of BS EN379-2003 is applicable to testing the response time of the automatic light change goggles capable of protecting eyes against radiation in electric welding, gas welding and arc light surroundings.

The invention relates to the technical field of electric air supply air filters, electric welding variable-light goggles, and controller devices of the electric air supply air filters and the electric welding variable-light goggles, in particular relates to an electric air supply air filter, electric welding variable-light goggles, and a controller of the electric air supply air filter and the electric welding variable-light goggles. Compared with the prior art, the controller is in signal connection with the electric air supply air filter and the electric welding variable-light goggles in a wireless, wired or wireless and wired combined manner to control the electric air supply air filter to work; meanwhile, information of air flow rate and electric quantity can be seen from a screen of the electric welding variable-light goggles; the content of oxygen in air can be detected by a low oxygen sensor, when the content of the oxygen is lower than a threshold value, a low-oxygen alarm warning tone can be generated, and meanwhile, an 'O2!' icon of a display screen of the controller flashes to generate a low-oxygen warning signal to be sent; the air flow rate and the electric quantity can be seen from the electric welding variable-light goggles, so that the working state of the electric air supply air filter can be learned by a user in real time without picking an electric air supply breather from the waist; and therefore, the work efficiency can be greatly improved.

The invention discloses a medical multifunctional goggle lens, and belongs to the field of protective lenses. The medical multifunctional goggle lens comprises a substrate and a surface membrane layer; the substrate is formed by mixing and injection molding from the following components in parts by mass: 960-1000 parts of organic high-molecular polymers, 30-40 parts of additives, 10-15 parts of ultraviolet ray absorbents and 3-5 parts of short-wave visible light absorbents; the surface membrane layer comprises an intensifying layer, a refraction layer and a waterproof layer which are sequentially compounded on the substrate from inside to outside. The invention also discloses a manufacturing method of the medical multifunctional goggle lens. The goggle lens provided by the invention can effectively filter ultraviolet rays, purple light and blue light, can prevent injury caused by blue light, is especially suitable for protecting harmful light radiation to eye patients after operation and eye disease patients, and is also suitable for preventing eye diseases caused by harmful light for medical staff and normal people.

The invention discloses electric welding goggles, which comprise a first liquid crystal light valve, a second liquid crystal light valve and a third liquid crystal light valve superposed sequentially. The electric welding goggles are characterized in that: the first liquid crystal light valve and the second liquid crystal light valve are positive liquid crystal light valve, and the twisting directions of the liquid crystal layers of the first liquid crystal light valve and the second liquid crystal light valve are opposite; and the third liquid crystal light valve is one of a negative liquid crystal light valve and a dye type liquid crystal light valve. The electric welding goggles have the advantages of high visual angle uniformity, low scattering and automatic protection in power failure.

Ski goggles for a goggles wearer having: a frame with a first side facing the face and a second side facing away from the face during normal use; a nose bridge for resting on the wearer's nose; a lens having a first surface facing the face and a second surface facing away from the face during normal use; a pad connected to the frame and resting on the face during normal use; a strap holding the goggles on the head during normal use; a coupling arrangement adapted to releasably couple the lens to the frame. The coupling arrangement includes a first coupling point at a nose area of the first side and a second coupling point disposed around at least a portion of a perimeter of the first side. The coupling arrangement includes the nose bridge. The bridge is releasably coupleable to the frame and provides the first coupling point.

A head covering system comprises a cap as an inner component and an outer head covering that cooperate to help protect the head from the elements but helps to protect against vision obstruction when the head is moved. A headgear system comprises a cap having a head engaging portion and a visor that engages and moves with the head of the user. An outer covering fits over the cap and at least a portion of the head of the user comprises head covering portion, an optionally a neck covering portion, and a bill attached to the head covering portion.

Provided is mask removable type automatic shading goggles in that a welding helmet is manufactured in a goggle shape, so that it can replace the existing heavy and large welding surface; it can also used for both an arc welding work and a grinding work, a cutting work, and a gas welding work; and if necessary, the mask part can be easily attachably and detachably coupled to the goggle part.

The invention discloses an automatic light-changing welding goggles response characteristic testing system which comprises a white light source, a collimating lens, a sample, a sample stage, a photomultiplier, a triggering light source, an acquisition and control circuit, a computer, a stepping motor and a stepping motor driver; the same optical axis is provided with the white light source, the collimating lens, the sample stage, and the photomultiplier, the photomultiplier is connected with the acquisition and control circuit and the computer, the triggering light source is connected with the acquisition and control circuit and the computer, the sample is placed on the sample stage, the sample stage is provided with the stepping motor, and the stepping motor is connected with the stepping motor driver and the acquisition and control circuit. The invention adopts the movable sample stage, and can measure the response time of different positions of the light-changing welding goggles; the invention adopts the semiconductor light source as the triggering light source, and therefore only the quick modulation is implemented for the driving voltage of the light source, the pulse light intensity can be gained; the invention adopts a sleeve type spring device to press a laser on a detector of the sample in order to result in that the laser doesn't leak light.

A pair of electric goggles is disclosed. The goggles include a conductive lens mounted onto a frame adapted to be electrically connected to an electric socket in order to raise the temperature of the lens, when powered. The goggles are provided with a strap for attaching to a helmet, the strap has a strap clip designed to have the electric socket attached thereto. The electric socket is meant to be electrically connected to a power supply via a power cable. With the combination of a strain relief clip located below the electric socket, the power cable can be positioned in a predetermined configuration which unencumbers the user from the power cable when detaching or removing the goggles.

A laser protection device that can stay tightly on an animal by going over its head and eyes using a flexible material such as nylon. The device has polymer or glass windows that are designed to block or attenuate the treatment light in order to protect the eyes of the animal from laser damage. As an integral feature, the windows are partially transparent in the visible spectrum to allow the animal to see its surroundings.