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JP6754737B2 |
To provide an acoustical panel and a sound proof wall equipped with the same which are less likely to be damaged even in the event of contact or collision.A sound proof panel 1 for absorbing noise from a noise source to reduce the spread...
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JP6757022B2 |
To provide a structure which enables the maintenance inspection of an anchor bolt from the road side to the private land side while suppressing the deterioration in sound insulation property.A base plate 14 has a plurality of longitudina...
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JP2020133281A |
To provide a sound absorbing panel which can provide a sound reduction effect with respect to the lateral and lower side of a sound source, and the extension line from the sound source to the sound absorbing panel, respectively.A sound a...
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JP2020125624A |
To provide an acoustical panel and sound proof wall equipped with the same which is less likely to be damaged even in the event of contact or collision.A sound proof panel 1 for absorbing noise from a noise source to reduce the spread of...
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JP6744171B2 |
To provide a sound absorption apparatus capable of improving mounting strength of a front plate to a back plate.A sound absorption apparatus configured to be installable on the rear surface side of an expressway comprises: a box-shaped f...
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JP6742927B2 |
To provide a negative pressure wave generator which can effectively reduce a micro barometric wave.A negative pressure wave generator 1 reduces the pressure of a micro barometric wave radiated from a mine mouth 21 of a tunnel 2 by means ...
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JP6742926B2 |
To provide a negative pressure wave generator which can effectively reduce a micro barometric wave even in a negative pressure wave with a short time width.A negative pressure wave generator 1 reduces the pressure of a micro barometric w...
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JP6736387B2 |
To provide a replacement method for a cushioning material that enables replacement work for a cushioning material of a soundproof wall to be easily performed, even when there is no space outside a railway track for using a high lift work...
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JP6717595B2 |
To provide a sound deadening technique for an elevated structure than can deaden a sound radiated from a lower surface of the elevated structure owing to vibration of a floor slab.As a vehicle 4 etc., travels on an elevated structure 2, ...
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JP6712475B2 |
To improve noise reduction effects at a noise observation point located outside a sound insulation structure having a sound insulation structure body covering a travel path for vehicle.A sound insulation structure comprises a sound insul...
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JP2020094383A |
To provide a sound insulation device and sound insulation barrier capable of ensuring sufficient sound insulation performance and maintaining the sound insulation performance for a long time.A sound insulation device 2 includes first, se...
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JP6710035B2 |
To provide a sound proof panel capable of saving a troublesome work to replace a front plate and preventing deterioration of appearance.A sound proof panel (100) prevents noises generated by a noise source from spreading. The sound proof...
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JP6689148B2 |
To provide an exchanger of a soundproof plate material capable of exchange work of the soundproof plate material, regardless of the existence of a space capable of raising-lowering the soundproof plate material on the outside of a roadwa...
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JP2020063655A |
To provide a sound proof wall facility capable of providing a soundproofing effect different from some conventional measures by providing a new sound reduction device on the sound proof wall.A sound proof wall facility comprises: a sound...
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JP2020064171A |
To provide a sound absorber that has superior weatherability, does not require a large installation space, is lightweight, and can be fitted to even a narrow part of piping etc.A sound absorber 1 has an embossment structure 2 formed subs...
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JP2020056275A |
To provide a sound-proof wall which is excellent in strength and can maintain high transparency when used outdoors for a long period of time.A sound-proof wall comprises a photocurable resin layer containing glass fibers, and a fluorores...
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JP6675894B2 |
To provide sound insulation equipment for tunnel buffering work that can reduce a travel sound of a train radiated from an opening part of tunnel buffering work without spoiling reduction effect on a tunnel fine atmospheric pressure wave...
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JP6678137B2 |
To suppress acoustic resonance in a space at the back of a sound absorptive panel to improve sound insulation performance.A partition part 20 includes a first partition part 30 and a second partition part 40. The first partition part 30 ...
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JP6668234B2 |
Diffractor for diffracting sound of traffic on a travel surface with at least one diffraction plate disposed laterally beside the travel surface. The diffraction plate is provided with a pattern of recesses in the upper surface thereof f...
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JP6662713B2 |
To provide a sound absorbing panel that suppresses the reduction in transmission loss caused by resonance (horizontal resonance, in particular).In a box-shaped sound absorbing panel 100 includes a side member 3 having a pair of sides 3a ...
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JP6662712B2 |
To provide a sound absorbing panel that suppresses the reduction in transmission loss caused by resonance (horizontal resonance, in particular).In at least any of a plurality of air spaces V1 to V3 in a box-shaped sound absorbing panel 1...
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JP6659036B2 |
To provide a membrane material which has a great soundproof effect, which can be easily attached to a soundproof house, and which has high portability.A membrane material 100 includes a membrane material body 110, and a belt-like belt me...
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JP6654070B2 |
To effectively provide a ventilation structure, which is arranged at an opening of a sound insulation structure covering both sides and an upper side of a travel path for vehicle, with both a ventilation function and a sound insulation f...
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JP6645858B2 |
To provide a combination retrieval program of sound insulation plates for retrieving an optimal combination from the viewpoint of a sound insulation property and weight of the sound insulation plate.A combination of a plurality of sound ...
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JP6633991B2 |
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JP2019219543A |
To provide a sound-proof wall capable of providing effective sound-proof measures at sound reception positions differing with sites, and a method of installing a microphone on the sound-proof wall.A sound-proof wall W is stood between so...
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JP6616985B2 |
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JP6605811B2 |
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JP6602915B2 |
A perforated sound-absorbing plate includes a perforated plate as a base material in which a large number of through holes are formed. A coating film is provided on an inner wall surface of the through hole, and a through-hole portion wh...
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JP6598387B2 |
To provide a sound-insulation-material size calculation device capable of obtaining a minimum necessary size of an arbitrary shape of a sound insulation material in order to set a noise level at a sound receiving point to a target value....
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JP3223581U |
To provide a collapse-resistant sound insulation wall for preventing a sound absorbing plate of a sound insulation wall installed on a highway wall from falling. In a sound insulation wall 1 composed of rectangular box-shaped sound absor...
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JP6578220B2 |
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JP6575046B2 |
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JP2019152726A |
To provide a soundproof material that can ventilate air in air-conditioning facilities and also insulate noise with a simple structure.The present invention relates to a soundproof plate 10 which has a ventilating function and reduces so...
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JP6570857B2 |
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JP6570641B2 |
There is provided a laminated soundproof structure formed by laminating a single layer soundproof structure having one or more soundproof cells which are arranged in a two-dimensional plane and each of which includes a frame, a film, and...
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JP6568430B2 |
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JP6563830B2 |
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JP6549171B2 |
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JP2019520500A |
The present invention relates to a sound absorbing guardrail system for mounting on the side of a road or median strip, the guardrail system preferably having a series of vertically oriented struts and at least one that can be mounted on...
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JP2019520501A |
The present invention relates to a noise absorbing panel for use in a sound absorbing guardrail system, wherein the structure of the noise absorbing panel is preferably a series of vertically oriented stanchions and a road facing guardra...
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JP6539850B2 |
This invention is concerning a structure body containing inorganic particles having an average particle diameter of 6 mm to 50 mm, and 6 parts by mass to 40 parts by mass of a resin with respect to 100 parts by mass of the inorganic part...
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JP6542088B2 |
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JP6543113B2 |
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JP6534173B2 |
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JP6533276B1 |
To provide a sound insulation plate inspection method capable of grasping a state of deterioration without removing the sound insulation plate. In a sound insulation plate inspection method, a sound insulation plate 10 is irradiated with...
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JP6513059B2 |
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JP6510653B2 |
There is provided a laminated soundproof structure formed by laminating a single layer soundproof structure having one or more soundproof cells which are arranged in a two-dimensional plane and each of which includes a frame, a film, and...
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JP6502058B2 |
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JP2019052528A |
To provide a sound proof wall facility and a sound absorption panel which can provide sufficient sound proof effect even in the portion of a region III or above.A sound proof panel 1A outfitted with a sound absorption material and provid...
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