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  3. マルナカ
  4. We will exhibit at the 22nd Mechanical Components Technology Exhibition.
SEMINAR_EVENT
  • May 15, 2018
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May 15, 2018

We will exhibit at the 22nd Mechanical Components Technology Exhibition.

マルナカ マルナカ
We will be exhibiting at the 22nd Mechanical Components Technology Exhibition. On the day of the event, we will be distributing samples of our anti-loosening bolt and nut, 'W-V-LOCK', so please be sure to stop by our booth.
Date and time Wednesday, Jun 20, 2018 ~ Friday, Jun 22, 2018
Capital Venue: Tokyo Big Sight Booth Number: East Hall 5, 65-6
Entry fee Free
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試験結果1.png

Test video of the anti-loosening bolt and nut 'W-V-LOCK' now available.

Successfully eliminated loosening permanently with our safety bolts and nuts! Cleared JQA high-speed vibration loosening test! Samples will be distributed at the Mechanical Element Technology Exhibition!

The "Yurumanzo (W-V-LOCK)" is a safety bolt and nut that successfully eliminates loosening permanently by adopting a ratchet mechanism between the bolt, nut, and washer, and by incorporating protrusions on the bottom surface of the washer that bite into the workpiece. All five units tested in the vibration loosening comparison test conducted by the Japan Quality Assurance Organization passed without loosening for over 17 minutes. 【Features】 ■ The bolt and washer are connected using a ratchet system, with several protrusions on one side of the seating surface. ■ The protrusions bite into the tightened object in a wedge shape, preventing the washer from rotating and providing a loosening prevention effect for the entire screw. ■ No loosening occurs even under strong vibrations or long-term use. ■ A high safety and durability loosening prevention mechanism for screws. ■ Patent obtained. * For more details, please request documentation or view the PDF data available for download.

  • nut
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Marunaka Co., Ltd. Company Profile

As a technical group specializing in metal press parts, we respond to various requests at a high level!

Marunaka Co., Ltd. is a company that has established a comprehensive production system centered on metal pressing as its core technology, covering everything from mold design and manufacturing to parts processing (pressing, welding, cutting, polishing, and cathodic electrodeposition coating) and assembly. It manufactures automotive parts, office equipment parts, household parts, and more. The company aims to enhance the sophistication of molds, which influence the precision and labor involved in pressing, by having a dedicated section for mold design and manufacturing within the company. It is committed to improving pressing processes through innovative mold designs. Additionally, by conducting the entire process in-house, the company enhances its ability to respond to QCD (Quality, Cost, Delivery) and strives to supply higher quality parts at appropriate prices quickly. It is also advancing research and development of original products. **Main Products and Categories** - **Automotive Parts**: Car air conditioning parts, steering parts, chassis parts, motor parts - **Office Equipment Parts**: Disk steel parts, chair parts, cabinet parts, partition parts - **Household Parts**: Battery parts, earth parts, oven range parts, rice cooker parts *For more details, please refer to our catalog or feel free to contact us.*

  • Press Dies
  • Mold Design
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OenoFoss2/WineScan3 will be exhibited at the International Fermentation and Brewing Food Industry Exhibition! (August 4-5, 2026)

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The "International Fermentation and Brewing Food Industry Exhibition" will be held for three days from August 4 (Tuesday) to August 5 (Thursday) at Tokyo Big Sight. We, Foss Japan, will be exhibiting component analysis devices for soy sauce, wine, and sake at a joint booth with Yanai Electric Industry Co., Ltd.! ■ Dates: August 4 (Tuesday) - 5 (Thursday), 2025, 10:00 AM - 5:00 PM ■ Venue: Tokyo Big Sight, South Exhibition Hall ■ Booth No: S18-1 (Yanai Electric Industry Co., Ltd. booth) ■ Exhibited Equipment: - FT-IR component analysis device for soy sauce/wine "WineScan 3 / SO2" - FT-IR component analysis device for wine/sake "OenoFoss 2" *Officially registered for the Small and Medium Enterprises Productivity Investment Subsidy (catalog order type)! In addition to the above exhibited equipment, Foss also handles devices specialized in component analysis for beer, miso, yogurt, and other foods. We understand you may be busy, but we sincerely look forward to your visit.

Jul 16, 2026

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Drug Discovery Support System StarDrop - Introduction to the High-Performance Metabolism Prediction Module

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Evaluating drug efficacy, safety, pharmacokinetics, and physical properties comprehensively from the early stages of the drug discovery process is essential for efficient pharmaceutical development. To support these evaluations comprehensively, the drug discovery support software StarDrop offers various modules. In this presentation, we will introduce an overview of the functions included in the metabolism prediction module, the Metabolism module, its theoretical background, and how it contributes to solving various challenges related to drug metabolism.

Jul 15, 2026

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[Seminar] Four Methods for Innovating the New Product Development Process

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[Instructor] Mr. Toshio Kimura, Senior Consultant, Japan Management Association Consulting, Inc. [Acquired Knowledge] 1. Theme Creation: A systematic approach and process to enhance the "quality and quantity" of ideas 2. Business Planning and Concept Development: An approach that maximizes theme value based on customer value 3. Development Practice: Methods for accelerating development through the construction of goal hypotheses and real-time progress management 4. Theme Evaluation: An evaluation system to accurately identify "truly valuable themes" with high investment returns [Lecture Items] 1. The importance of the new product development process and the four management transformation targets 2. Innovating the "Idea/Theme Creation Phase" ... "NBP" 3. Innovating the "Business Planning and Concept Development Phase" ... "CF" 4. Innovating the "Development Practice Phase" ... "FF" 5. Innovating the "Theme Evaluation System" ... "FVE" 6. Specific initiatives for the reconstruction and strengthening of the new product development process 7. Q&A / Business card exchange

Jul 15, 2026

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33rd Matching Seminar: New Business Opportunities Arising from New Materials - The Potential of Polysaccharide-Derived High-Toughness Hydrogel - Free Online Event on August 3 (Monday)

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We will hold a "University-Origin Seed Matching Seminar" to introduce cutting-edge technologies developed at universities and public research institutions. The theme for this seminar is "New Business Opportunities Arising from New Materials - The Potential of Polysaccharide-Derived High-Toughness Hydrogels." Polysaccharide-derived hydrogels, which possess high toughness and flexibility, are expected to be a new material for electrolyte materials in next-generation batteries. There are also expectations for applications in a wide range of fields such as medical and healthcare, and soft materials. In this seminar, the inventors themselves will introduce the characteristics of the technology, as well as potential applications and possibilities for joint research and commercialization. Program: 13:35-13:55: "Natural Polysaccharide Hydrogels Exhibiting High Toughness, High Heat Resistance, and High Ion Conductivity" Associate Professor Junichi Horinaka, Department of Chemical Engineering, Graduate School of Engineering, Kyoto University We will introduce polysaccharide-derived hydrogels that combine high toughness and flexibility. Focusing on their characteristics as expected electrolyte materials for next-generation batteries, we will discuss the potential for applications in a wide range of fields such as medical and healthcare, soft materials, and prospects for joint research and commercialization. 13:55-14:10: Introduction of Application Developments and Q&A

Jul 15, 2026

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Notice of Exhibition and Technical Seminar for the 2026 Annual Meeting of the Japanese Society for Animal Cell Technology (JAACT2026)

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We will be exhibiting at the Japanese Society for Animal Cell Technology (JAACT2026) to be held at Shonan Health Innovation Park (Shonan I-Park) from July 28 (Tuesday) to July 29 (Wednesday), 2026. At this conference, we plan to showcase Sartorius's new cell line development platform, the CellCelector CLD platform. The CellCelector CLD is a solution for cell line development that integrates automatic cell imaging and picking technology, from single-cell detection to monoclonality verification, evaluation of high-producing clones, and automatic picking. If you have any inquiries about detailed specifications, applications, or requests for demonstrations, please feel free to stop by the Sartorius booth! ◼ Booth number: 7 Additionally, our Field Application Scientist, Takeshi Seguchi, will present "Next-Generation Cell Line Development Solutions with the New CellCelector CLD – From Monoclonality Verification to High-Producing Clone Selection." ◼ Technical seminar schedule: July 28 (Tuesday) 16:45–17:10 (3rd session) We look forward to seeing you there!

Jul 15, 2026

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