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John Evans’ Sons, Inc.LOGIN TO VOTE
FOR THIS COMPANY

1 Spring Ave.
Lansdale, PA 19446
www.springcompany.com

Our custom design and precision manufacturing capability are supported by a complete machine shop staffed by a professional crew of toolmakers who utilize Dessault Systemes Solid works for design, and Charmilles EDMs for tool and die production. This allows us to build, maintain, and repair all tools utilized in our production areas. We design and build many of our own high speed, automated, spring manufacturing machines. This “on-site” capability further reduces cost and lead time for our customers.

We have been recognized for outstanding design, quality and on-time delivery by major medical device manufacturers. Some examples of products that have utilized our design and engineering include:

• World class surgical robots
• Surgical staplers
• A wide range of various medical device assemblies and support equipment

With respect to the medical device industry, we offer several counterbalance options to assist/enhance articulated instruments and assemblies, many medical equipment designers utilize constant force springs, constant force spring motors, spiral torsion springs or spring reels. The capabilities of these products have significant benefits compared with traditional helical springs and gas springs.

Constant Force Springs

• Constant load
• Smooth range of motion
• Minimal starting force

Spiral Torsion Springs

• Develops high torque
• Rotation in two directions
• Compact, easily mounts in many designs

Spring Powered Reels

• Wide range of forces, cable lengths, & travel
• Mounts quickly & easily
• Metal and plastic available

We provide impeccable service from start to finish and set the standard for world-class precision spring products.

Spring Design & Manufacturing Excellence

John Evans’ Sons, is the international leader in the design and manufacturing of constant force springs, constant force spring assemblies and precision specialty springs for the medical device industry.

We are a trusted medical device industry spring supplier, as evident by our commitment to manufacturing excellence. All of our products align with strict quality standards. We are ISO 9001 and ISO 13485 certified.

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  • Home
  • Medical Device Business
    • Mergers & Acquisitions
    • Financial
    • Regulatory
  • Applications
    • Cardiovascular
    • Devices
    • Imaging
    • Implantables
    • Medical Equipment
    • Orthopedic
    • Surgical
  • Technologies
    • Components
    • Electronics
    • Extrusions
    • Materials
    • Motion Control
    • Prototyping
    • Pumps
    • Tubing
  • Contract Manufacturing
  • Med Tech Resources
    • DeviceTalks Tuesdays
    • Digital Editions
    • eBooks
    • Manufacturer Search
    • Medical Device Handbook
    • MedTech 100 Index
    • Podcasts
    • Print Subscription
    • Suppliers
    • The Big 100
      • Archive – The Big 100 (2018)
    • Webinars / Digital Events
    • Whitepapers
    • Video
  • Leadership
    • Women in Medtech
    • 2020 Winners
    • 2019 Winners