高洋商会 List of Products and Services

At Takahiro Shokai Co., Ltd., we accept orders for the production of wooden molds for precast concrete. This is an opportunity for us to take on precast projects that have been difficult to order in small lots or as one-off productions due to time and cost constraints, through our custom mold manufacturing. With over 40 years of experience and know-how in creating molds for cast-in-place concrete, we can bring to life the ideas of our customers who say, "This is what I want!" Moreover, because our company has not only a woodworking department but also a metalworking department, we can handle everything from planning and design, including strength calculations, allowing you to delegate the entire process to us. We can deliver within as little as one month after receiving your production request. Please feel free to contact us! 【Features】 ■ Full delegation possible ■ Achieves low costs ■ Quick response *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce the "Permeable Board Formwork" handled by Takahiro Shokai Co., Ltd. This product has recently been registered with NETIS (NETIS registration number KK-230041-A). By discharging excess water from the concrete, it results in a dense structure and improves durability. Additionally, it is easy to install even in curved or complex shapes, and can be cut with a circular saw and drilled for separation holes, eliminating the need for special tools. 【Features】 ■ Improved workability for formwork installation ■ Enhanced appearance of concrete surfaces ■ Improved quality of concrete *For more details, please refer to the PDF document or feel free to contact us.

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Introducing Takahiro Shokai Co., Ltd.'s "Permeable Board Formwork." It can be cut with a circular saw and drilled for separation holes, so no special tools are required. Regular oil-based and water-soluble release agents can be used. We will also be exhibiting at the "Construction Technology Exhibition 2023 Kinki" held in Zone C, Hall 6 of Intex Osaka. Please check the basic information for details. 【Features】 ■ Improved workability for formwork installation ■ Enhanced appearance of concrete surfaces ■ Improved quality of concrete *For more details, please refer to the PDF document or feel free to contact us.

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SASAE-RU supports the rehabilitation method for sewer pipes in harsh environments! 【Features】 〇 Reduces the number of bolts and components, shortening work time 〇 Designed with transportability and packaging in mind, reducing work burden 〇 Shaped for versatility, leading to cost reduction 〇 Manufacturer-made supports backed by strength testing 〇 Support planning available *For more details, please contact us or download the catalog.

• Other work tools

This document provides a detailed explanation of the types and uses of civil engineering formwork. It introduces the assembly methods and processes for bridge pier construction, caissons, shafts, tunnel portals, and various centering procedures using images and diagrams. Please feel free to download and read it. 【Contents (excerpt)】 ■ Types of Civil Engineering Structures - Bridge pier construction - Substructure of bridge piers - Superstructure of bridge piers - Caissons and shafts *For more details, please refer to the PDF document or feel free to contact us.

• Wood products

This document provides a detailed explanation of ready-mixed concrete. It introduces topics such as "the uses and types of concrete," "what lateral pressure is," and "loads," using images and diagrams. Please feel free to download and read it. 【Contents】 ■ Uses of concrete ■ Types of concrete ■ What is lateral pressure ■ Loads *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials

This document provides a detailed explanation of steel formwork foundations. It includes the characteristics of steel formwork, a comparison of whether wooden or steel formwork is better, hardware used in steel formwork, and examples of steel formwork. Please feel free to download and read it. [Contents] ■ Characteristics of steel formwork ■ Which is better, wooden or steel formwork? ■ Hardware used in steel formwork ■ Examples of steel formwork *For more details, please refer to the PDF document or feel free to contact us.

• Special Steel

This document provides a detailed explanation of the types and uses of architectural formwork processing. Additionally, it includes information on how to read drawings, symbols used in drawings, terminology related to architectural processing and stair processing, as well as information on cedar board processing. Please feel free to download and read it. 【Contents (excerpt)】 ■ Types of buildings ■ How to read drawings ■ About drawing symbols (legend) ■ Terminology explanation for architectural processing ■ Stair processing *For more details, please refer to the PDF document or feel free to contact us.

• Wood products

This document provides a detailed explanation of the overview of hardware components for each product. It introduces a variety of items, including separators, form ties, U-clips, and wide panel beams, along with reference photos and diagrams. Please feel free to download and read it. 【Contents (excerpt)】 ■ Table of Contents ■ Separator ■ P-Clip ■ Form Tie ■ Washer *For more details, please refer to the PDF document or feel free to contact us.

• Other metal materials

This document provides a detailed explanation of the basic knowledge of formwork. It also introduces the specifications of circular panels, circular formwork, the process of creating formwork, and various types of formwork, using images and diagrams. Please feel free to download and read it. 【Contents】 ■ What is formwork ■ Basic knowledge of formwork ■ Circular formwork ■ The process of creating formwork ■ Types of formwork 1–3 *For more details, please refer to the PDF document or feel free to contact us.

• Wood products

This document explains the terminology used in the formwork industry. It introduces a variety of terms, including "horse frame," which is the platform used for large framework assembly, as well as "ankou," "salt damage," "cover," and many others, using images and illustrations. Please feel free to download and read it. 【Contents (excerpt)】 ■Light ■Rise ■Pockmark ■Ankou ■Corner *For more details, please refer to the PDF document or feel free to contact us.

• Other work tools

"Clear Form" is a concrete formwork made of transparent resin. The interior is visible, allowing for easy visual confirmation of the pouring situation. It has high transparency and excellent light transmission, contributing to improved workability and safety. By handling it carefully, it can be reused multiple times while maintaining transparency and strength. It can accommodate various shapes, including curved and chamfered processing. 【Features】 ■ The resin panel is excellent in weather resistance and impact resistance, preventing scratches. ■ The frame material is lightweight and has excellent workability, made from lauan wood. ■ A two-component polyurethane resin is applied to the entire surface, providing weather resistance and gloss retention. ■ Registered with NETIS (KK-190028-VE). ■ Utility model registered (No. 3144648). *For more details, please refer to the materials. Feel free to contact us with any inquiries.

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The Mieru Form (currently Clear Form) has an extremely high level of transparency, making it easy to visually confirm the concrete pouring conditions and pre-pouring situations. It excels in natural lighting within the worksite, contributing to work safety. It can be combined with traditional formwork, and since the height of the ribs can be ordered freely, it can accommodate a wide variety of formwork. Additionally, by handling it carefully, it can be reused in a state that maintains high transparency. We will consider reuse and disposal at Koyo Shokai's factory. Please consult us regarding post-use processing. 【Features】 - Extremely high transparency - Compatible with traditional formwork - Excellent reusability - New technology information provision system NETIS registration number KK-190028-VE *For more details, please contact us or download the catalog.

• Other work tools

This document introduces examples of production that utilize Takahiro Shokai's woodworking technology and acrylic and steel processing technology. Our company specializes in wooden formwork, acrylic processing, and steel processing. We have responded to various requests by leveraging our processing know-how. Here, we will introduce some of these examples. [Featured Examples] ■ Processing of doors for temporary coin showers ■ Production of a full-scale steel beam mock-up (model) ■ Production of wooden molds for decorative concrete ■ Production of acrylic processing - Miniature tunnel for testing - Transparent level *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract
• Steel
• Wood processing machinery

This document introduces "Processing of Cedar Board Formwork." This processing method allows the finish of exposed concrete to achieve a texture similar to that of wooden structures. It is a type of formwork processing that involves creating convex and concave shapes on the sides of boards to join two pieces of wood together. Commonly used in locations such as government buildings, shrines, temples, and private homes, the primary focus is often on "aesthetics and landscape," although some regions are committed to local production for local consumption. 【Contents (excerpt)】 ■ Overview ■ Purpose ■ Research Results ■ Production Steps ■ Delivery Records, etc. *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Processing Contract

The "Cedar Board Real Type Formwork" allows the wood grain to emerge on the concrete surface, giving a soft impression similar to that of wooden structures, despite being made of concrete. It is often used in government offices, shrines, temples, and private homes, where decorative effects are expected, leading to many achievements in historically rich areas, buildings, museums, and construction projects. 【Features】 ■ The wood grain emerges on the concrete surface ■ Can provide a soft impression similar to that of wooden structures ■ Many achievements in historically rich areas and buildings We have numerous processing achievements with cedar board real type formwork! Please feel free to consult us about arches and special shapes. *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Processing Contract

"Ractomail" is a specialized hardware for large formwork that eliminates the need for installing wing bolts, significantly reducing work time. It is widely effective for the construction of bridge piers and large formwork for shafts, as well as tunnel centering formwork and other sites requiring formwork installation. It addresses the challenges of large formwork, such as the time-consuming installation of components. 【Features】 ■ Strong support for temporary formwork, simplifying the nailing process ■ Functions as a dual-purpose wing bolt ■ Significantly reduces installation work ■ Shortens large assembly work ■ Effective in reducing total costs *For more details, please refer to the PDF document or feel free to contact us.

• Other work tools

The transparent acrylic concrete formwork "Clear Form" uses the highest transparency resin with a light transmittance rate of 92.6%, making it easy to visually confirm the concrete pouring situation and pre-pouring conditions. It excels in natural lighting within the site and contributes to increased safety. There are over 2,000 delivery records across various prefectures, and it is registered with NETIS. *Technical materials with construction photos are currently available! Please download from the form below for more details. 【Features】 ● The height of the ribs can be freely ordered, accommodating a wide variety of formwork! ● Many repurposing options are possible while maintaining high transparency! ● NETIS registration number "KK-190028-VE" *For more details, please contact us or download the catalog to view.

• Other work tools

Currently, there is a growing demand for visualizing formwork construction and ensuring reliable construction management to address the issues of construction defects in structural slits, which are gaining attention. "Mieru Slit" allows for concrete pouring while visually confirming the position of structural slits by using transparent formwork around the slit construction area. This helps prevent the occurrence of structural defects due to misalignment or construction defects, as well as reduces quality deterioration and cost increases due to repair work, contributing to the construction of safe, secure, and high-quality reinforced concrete structures. 【Features】 ■ Uses transparent formwork around the slit construction area ■ Allows for visual confirmation ■ The battens are processed to accommodate the slits ■ Reduces quality deterioration and cost increases due to repair work *For more details, please refer to the PDF document or feel free to contact us.

• Other work tools

Kōyō Trading Company is one of the few unique companies in Japan that can offer comprehensive proposals for formwork and support systems. Our original method, the "System Formwork," is a large assembly formwork that combines uniquely processed circular formwork with steel processing. We solve on-site issues with the technology and know-how cultivated through formwork processing! 【Ideal for these on-site issues!】 Labor shortages and a decrease in skilled workers, prolonged construction periods, profit pressure due to rising costs…etc. 【Features】 ■ Experience in formwork processing and abundant know-how from large-scale sites! ■ Economic material costs due to the use of wooden formwork! ■ Possible to carry out construction with a small number of people! ■ Reduced assembly time! ■ Obtained construction industry license in February 2016, enabling assembly of our own products! *For more details, please contact us or download the catalog below.

• Wood products

The "System Formwork" is a large-scale formwork that combines circular formwork processed by Koyo Shokai and steel material processing. We address challenges at construction sites such as "labor shortages and a decrease in skilled workers," "extended construction periods," and "profit pressure due to rising costs" with the technology and know-how cultivated through formwork processing. 【Features】 ■ Integrated production system from design to manufacturing ■ Experience in formwork processing and know-how from large-scale sites ■ Cost-effective material costs due to the use of wooden formwork ■ Assembly of our own products is also carried out ・Obtained construction industry license in February 2016 For more details, please contact us or download the catalog.

• Wood products
• others

Koyou Trading Company is a manufacturer of concrete formwork for civil engineering and construction. Among them, it has strengths in structures that require complex circular processing and three-dimensional processing, making it one of the few unique manufacturing companies in Japan. We contribute to labor-saving and cost reduction in the construction industry with our original methods! Here, we will introduce not only company information but also the strengths and characteristics unique to Koyou Trading Company, various products through processing, and examples of construction. 【Company Information Contents】 1. Introduction 2. About Koyou Trading Company 3. Strengths and Characteristics of Koyou Trading Company 4. Products of Koyou Trading Company 5. Examples of Construction 　　　　　　　　↓　　↓　　↓　　↓　　↓　　↓ *For more details on the above contents, please contact us at the address below or download the catalog.

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The transparent acrylic concrete formwork "Miel Form" uses the highest transparency resin with a light transmittance rate of 92.6%, making it easy to visually confirm the concrete pouring situation and pre-pouring conditions. It excels in natural lighting on site and contributes to increased safety. There are over 1,000 delivery records in various prefectures, and it is registered with NETIS. *Free samples of Miel Form are currently available! Take this opportunity to try it out! 【Features】 ◆ The height of the ribs can be freely ordered, allowing for a wide variety of formwork! ◆ Many repurposing options are possible while maintaining high transparency! ◆ NETIS registration number "KK-080044-VG" (registration period has ended) *For more details, please contact us or download the catalog to view.

• Other work tools
• plastic
• Wood products

Koyou Shokai is a comprehensive manufacturer of concrete formwork used in various construction projects. We manufacture and sell formwork for building construction, bridge piers, wagons, box culverts, shafts, tunnels, and more. In recent years, to meet the diverse needs of the field, we developed a transparent resin concrete formwork called "Mieru Form" (NETIS registration number KK-080044-VG, registration period ended) and re-registered it in December 2019 as a new technology, the customizable transparent formwork "Clear Form" (NETIS registration number KK-190028-A), offering proposals for creating safe and secure structures. At Koyou Shokai Co., Ltd., we provide comprehensive planning tailored to the site, not just simple formwork design. 【Features】 ○ Originality ○ Design capability and planning ○ 20 years of experience For more details, please contact us.

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We manufacture complex and specialized formwork such as ship bottom formwork, secondary curve formwork, and cedar board solid formwork with abundant experience and advanced technology. We produce a wide range of specialized formwork, including "special large ship bottom formwork," "large secondary curve formwork," and "cedar board solid formwork (arched walls)." 【Features】 ○ Abundant experience ○ Advanced technology For more details, please contact us.

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The No-Separation method eliminates the separator and reduces costs. Additionally, there is no leakage from the separator. Since it is connected with bolts, the joining of formwork materials is easy. There are no marks left from the separator, resulting in a beautiful finish. 【Features】 - Eliminates the separator and reduces costs - No leakage from the separator (waterproofing function) - Easy joining of formwork materials due to bolt connections - No marks left from the separator, resulting in a beautiful finish For more details, please contact us.

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At Takahiro Shokai Co., Ltd., we carry out various types of arched truss supports, including the "Kakogawa Ono Line," the "Tokushima Expressway," and the "Anamichi JCT." [Features] - We can propose mobile forms suitable for the construction of bridge piers and tunnels. - We take responsibility for assembly guidance as well. For more details, please contact us.

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Our job is to give "shape" to concrete that would otherwise flow away as it is. We can consistently plan, design, and produce everything from circular (arch) formwork, irregular formwork, and special formwork to support materials, large formwork, and system formwork necessary for civil engineering and construction projects. We will propose solutions to shorten construction periods, reduce costs, and address the shortage of skilled workers. [Examples of Projects] ■ System Formwork ■ No-Separation Method ■ Arch Truss Support ■ Custom Machined Formwork *For more details, please download the PDF or feel free to contact us.

• Wood products