LianRou Machinery 2026 New High Compression Bubble Spring Machine: A New Comfort Layer for Mattresses and Upholstered Furniture

Date：2026-09-15

For mattress manufacturers, sofa manufacturers, pillow factories, and upholstered furniture producers, Bubble Spring is becoming an increasingly interesting alternative to traditional foam and latex comfort layers. Also known as Box Pocket Spring or Flat Spring Pad, Bubble Spring combines the resilience of steel springs with a soft, pressure-distributing structure. Among different types, High Compression Bubble Spring provides stronger support, faster rebound, and better resistance to sagging while allowing manufacturers to optimize material usage and product weight.

For manufacturers looking to produce Bubble Spring in-house, the key equipment is the Bubble Spring Machine. LianRou Machinery has years of experience in Bubble Spring production line R&D and manufacturing, offering dedicated production solutions for both Traditional Bubble Spring and High Compression Bubble Spring.

Key Takeaways

Bubble Spring is a spring-based comfort layer for mattresses and upholstered furniture.
It can be used as an alternative or complement to foam and latex.
High Compression Bubble Spring provides stronger support and better resistance to sagging.
Traditional Bubble Spring, High Compression Bubble Spring, and Bloosom Bubble Spring serve different product requirements.
Material, fabric, wire diameter, spring structure, and compression level can be customized.
LianRou offers dedicated Bubble Spring production lines, including solutions for both traditional and high-compression products.
For manufacturers, choosing the right production line should depend on product positioning, required output, spring specifications, and future production plans.

What Is Bubble Spring and Why Is It Also Called Box Pocket Spring?

Bubble Spring is a flexible spring pad made by arranging and fixing individual springs inside fabric pockets or cells. The springs provide elastic support, while the surrounding fabric stabilizes the spring structure and creates a more evenly distributed comfort layer.

Because the springs are arranged in individual cells and form a flat, box-like structure, Bubble Spring is also commonly described as Box Pocket Spring or Flat Spring Pad.

Unlike a conventional pocket spring mattress core, Bubble Spring is generally used as a comfort layer or supplementary support layer rather than the main mattress support core. Its compact structure makes it suitable for mattresses, sofas, cushions, pillows, car seats, dining chairs, and other upholstered products.

For manufacturers, its biggest value is flexibility: the spring layer can be designed with different wire diameters, fabrics, dimensions, compression levels, and spring structures according to the final product.

How Is Bubble Spring Different from Foam and Latex?

Foam and latex create comfort primarily through the deformation of their material structure, while Bubble Spring uses the elastic movement of individual steel springs.

This gives Bubble Spring a different performance profile. The springs can provide continuous resilience, promote air movement within the layer, and respond independently to localized pressure. For manufacturers, this can create a comfort layer with a more responsive feel while reducing dependence on thick foam or latex layers.

Bubble Spring can therefore be used in several ways:

As a replacement for part of a foam comfort layer
As an additional comfort layer above a pocket spring core
As a supportive layer inside sofas and cushions
As a spring-based filling for pillows
As a resilient layer for car seats and dining chairs

The right choice depends on the target comfort, product thickness, cost structure, and manufacturing process.

Why Are Spring Comfort Layers Used in Premium Mattresses?

High-end mattress design has long explored multiple spring systems and layered support structures rather than relying on a single material.

For example, Hästens describes mattress designs that combine different spring systems with natural materials. Its official product information also explains how individually moving pocket springs can adapt to body contours and reduce motion transfer.

This demonstrates an important design principle for mattress manufacturers: different spring layers can perform different functions.

Bubble Spring follows the same broader engineering concept. Instead of using the same spring structure throughout the mattress, manufacturers can use Bubble Spring as a dedicated comfort layer to improve resilience, pressure response, and product differentiation.

It should not, however, be assumed that proprietary spring systems used by premium mattress brands are specifically Bubble Spring. Their constructions can be significantly different.

What Are the Main Types of Bubble Spring?

Bubble Spring can be developed into different structures according to the required support and application.

Traditional Bubble Spring

Traditional Bubble Spring has a relatively simple structure and is typically produced with ultrasonic welding. It requires no hot-melt glue and can provide a resilient, breathable comfort layer.

It is suitable for mattresses, sofas, cushions, pillows, and other upholstered products where manufacturers want to introduce spring-based comfort without creating a full pocket spring mattress core.

High Compression Bubble Spring

High Compression Bubble Spring uses high-compression technology to create stronger support within a compact structure.

Under the same wire diameter and compression conditions, High Compression Bubble Spring can provide noticeably stronger support than Traditional Bubble Spring. This allows manufacturers to explore thinner wire specifications while maintaining the required support level.

The result can be a lighter spring layer with strong rebound, responsive support, and improved resistance to sagging. For manufacturers shipping large volumes internationally, reducing material usage and product weight can also help optimize freight costs.

Bloosom Bubble Spring

Bloosom Bubble Spring uses a flower-like internal structure. Multiple welding points help secure the spring within each square cell and stabilize it from different directions.

Compared with ordinary Bubble Spring, this structure provides stronger multidirectional stability and is particularly suitable for sofa cushions, car seats, dining chairs, and other applications where repeated sitting and movement can cause conventional cushion structures to shift or deform.

Where Can Bubble Spring Be Used in Furniture Products?

Bubble Spring is not limited to mattresses. Its compact spring structure makes it suitable for many upholstered products.

Mattresses:

It can be used as a comfort layer above a pocket spring core, improving resilience and pressure response while reducing reliance on thick foam or latex.

Sofas and cushions:

Bubble Spring can be integrated into seat cushions and back cushions to provide responsive support and maintain a resilient sitting experience.

Pillows:

Small spring structures can conform to the head and neck while providing a more responsive feel than conventional filling materials.

Car seats and dining chairs:

High Compression Bubble Spring and Bloosom Bubble Spring can provide strong rebound and structural stability for products exposed to repeated compression.

For manufacturers, Bubble Spring can therefore become a common spring-based comfort solution across several product categories instead of being limited to one mattress model.

How Should Manufacturers Choose Bubble Spring Fabric and Wire?

Fabric and steel wire directly influence the cost, durability, feel, and structural stability of Bubble Spring.

Nonwoven fabric is commonly used because of its relatively low cost and simple processing.

Woven fabric provides higher toughness, better deformation resistance, and good moisture resistance. Its durability is generally higher than standard nonwoven fabric.

Cotton fabric provides a natural, breathable, skin-friendly option and can be selected for higher-end products where material positioning is important.

Wire selection can also be customized. Manufacturers may choose:

Standard high-carbon steel wire
High-carbon steel wire using high-compression technology
Multi-strand metal wire for a softer and more flexible feel
Galvanized steel wire for improved corrosion resistance

If standard specifications do not meet the product requirement, LianRou can develop customized Bubble Spring structures according to the customer's product concept, dimensions, wire specifications, fabric, and performance requirements.

How Can Bubble Spring Be Integrated into an Existing Mattress or Furniture Production Line?

Bubble Spring does not necessarily require a completely new finished-product manufacturing system.

For mattress manufacturers, it can be introduced as an additional comfort layer above the existing mattress spring core. The manufacturer can adjust the overall mattress construction according to the desired firmness, thickness, pressure response, and price positioning.

For sofa and furniture manufacturers, the Bubble Spring pad can be produced according to the dimensions of the seat, backrest, cushion, or other upholstered components and then integrated into the existing upholstery process.

Special structures can also be designed for different installation requirements. For example, edge-frame Bubble Spring can maintain a fixed overall sheet dimension, while reserved-edge Bubble Spring provides additional fabric around the edge for physical attachment and helps reduce movement inside the finished product.

How Can Manufacturers Order the Right Bubble Spring?

Before ordering Bubble Spring, manufacturers should define five basic specifications:

Application — mattress, sofa, pillow, car seat, dining chair, or another product.
Spring type — Traditional Bubble Spring, High Compression Bubble Spring, or Bloosom Bubble Spring.
Fabric — nonwoven, woven, cotton, or customized material.
Wire — wire diameter, material, coating, and compression requirements.
Finished dimensions — length, width, thickness, cell structure, and reserved edges if required.

For new products, it is usually more efficient to communicate the final product requirements first rather than simply ordering a standard Bubble Spring specification.

The manufacturer can then determine the appropriate spring structure, wire, fabric, compression, and production method according to the target comfort and production cost.

How Is Bubble Spring Produced? Which Bubble Spring Machines Does LianRou Offer?

Producing Bubble Spring requires a dedicated production process that can combine steel wire forming, heat treatment, spring production, fabric integration, and structural fixing.

LianRou Machinery offers dedicated Bubble Spring production lines for different product requirements.

LR-PSLINE-BOX230 / BOX4W Bubble Spring Production Line

The LR-PSLINE-BOX230 / BOX4W Bubble Spring Production Line is designed for Traditional Bubble Spring production.

The production line integrates the necessary processes for spring forming and fabric-based assembly. It can be configured with a boom structure for fabric installation and uses ultrasonic welding technology to fix the spring structure without hot-melt glue.

This solution is suitable for manufacturers producing conventional Bubble Spring for mattresses, sofas, cushions, pillows, and other upholstered furniture.

LR-PSLINE-BOXH230 / BOXH4W Bubble Spring Production Line

The LR-PSLINE-BOXH230 / BOXH4W Bubble Spring Production Line is designed for High Compression Bubble Spring production.

It is developed around LianRou's high-compression Bubble Spring technology and can also switch to Traditional Bubble Spring production.

This gives manufacturers greater flexibility when they need to produce both high-support and conventional Bubble Spring products on the same production platform.

LianRou has accumulated years of R&D and manufacturing experience in Bubble Spring production lines. The production technology is designed to maintain stable spring positioning and structural integrity during manufacturing, helping prevent wire from protruding through the fabric and reducing spring movement or displacement.

What Should Manufacturers Consider When Buying a High Compression Bubble Spring Machine?

The right High Compression Bubble Spring Machine should not be selected based on machine speed alone.

Manufacturers should evaluate:

Product compatibility:

Can the machine produce the Bubble Spring structures, dimensions, wire specifications, and fabric types required for your products?

Compression capability:

If the goal is stronger support with lower material consumption, the high-compression capability is critical.

Production stability:

The spring must remain accurately positioned during forming, fabric assembly, and welding. Poor structural stability can directly affect finished-product quality.

Future product development:

A machine capable of switching between High Compression Bubble Spring and Traditional Bubble Spring can give manufacturers more flexibility when developing different mattress and furniture products.

After-sales support:

Installation, operator training, production debugging, and technical support are important for a production line that becomes part of a factory's long-term manufacturing system.

For manufacturers planning to enter Bubble Spring production, the equipment should therefore be evaluated together with the intended product portfolio, production volume, material specifications, and future expansion plans.

Frequently Asked Questions

Is Bubble Spring the same as Pocket Spring?

No. Both use individual steel springs, but their applications and structures are different. Pocket Spring is commonly used as a primary mattress support core, while Bubble Spring is generally designed as a compact comfort or supplementary support layer.

What is High Compression Bubble Spring?

High Compression Bubble Spring is a Bubble Spring structure produced using high-compression technology to achieve stronger support and better resistance to sagging within a compact layer.

Can Bubble Spring replace foam?

It can replace part of a foam comfort layer in certain mattress and furniture designs. The final construction should be determined by the desired comfort, thickness, firmness, cost, and product positioning.

Can Bubble Spring be used in sofas?

Yes. Bubble Spring can be used in sofa seats, back cushions, and other upholstered components.

Can Bubble Spring be used in pillows?

Yes. Smaller Bubble Spring structures can be developed for pillows and can provide responsive support for the head and neck.

What fabric can be used for Bubble Spring?

Common options include nonwoven fabric, woven fabric, and cotton fabric. Customized materials can also be considered according to product requirements.

Can Bubble Spring use different wire diameters?

Yes. Wire diameter and material can be customized according to the required support, compression, comfort, and production specifications.

Can one machine produce both Traditional Bubble Spring and High Compression Bubble Spring?

The LR-PSLINE-BOXH230 / BOXH4W Bubble Spring Production Line can produce High Compression Bubble Spring and can also switch to Traditional Bubble Spring production.

Is Bubble Spring suitable for high-end mattresses?

Yes. Bubble Spring can be used as a premium comfort layer, particularly when manufacturers want to create a distinctive spring-based comfort structure instead of relying entirely on conventional foam or latex.

How should I choose a Bubble Spring Machine?

Start with the finished product rather than the machine. Define the application, spring structure, wire, fabric, dimensions, required output, and future product range, then select the production line that matches these requirements.

Conclusion

Bubble Spring gives mattress and upholstered furniture manufacturers another way to build a resilient, spring-based comfort layer. Traditional Bubble Spring focuses on flexible application and cost-effective production, while High Compression Bubble Spring provides stronger support and better anti-sagging performance within a compact structure. Bloosom Bubble Spring focuses on multidirectional stability for cushions and other repeatedly compressed furniture components.

For manufacturers considering in-house production, the High Compression Bubble Spring Machine is more than a spring-forming machine. The complete production solution determines spring stability, fabric integration, compression performance, finished-product consistency, and the ability to develop different Bubble Spring products.

LianRou Machinery provides dedicated Bubble Spring production lines for mattress and furniture manufacturers, including solutions for Traditional Bubble Spring and High Compression Bubble Spring. The right equipment can help manufacturers turn Bubble Spring from a new material concept into a scalable product category.

Core conclusion: Bubble Spring is not simply another type of spring. It is a flexible spring-based comfort technology that allows manufacturers to redesign the comfort layer of mattresses, sofas, cushions, pillows, car seats, and other upholstered products.

A High Compression Bubble Spring Machine is an important production solution for mattress manufacturers, sofa manufacturers, pillow factories, and upholstered furniture producers looking to develop spring-based comfort layers. Bubble Spring, also known as Box Pocket Spring or Flat Spring Pad, is a compact spring structure in which individual springs are arranged and secured within a fabric-based system. It can be used as a comfort or supplementary support layer in mattresses, sofas, cushions, pillows, car seats, dining chairs, and other upholstered products. For manufacturers looking for stronger support, High Compression Bubble Spring offers an alternative approach to conventional foam and latex comfort materials. High-compression technology allows the spring structure to deliver stronger support and fast rebound within a compact layer, while improving resistance to long-term sagging. Mattress manufacturers can combine High Compression Bubble Spring with pocket spring cores, foam, latex, and other mattress materials to develop different comfort constructions. Furniture manufacturers can also customize the spring pad according to cushion dimensions, firmness, resilience, and product positioning. When purchasing a High Compression Bubble Spring Machine, manufacturers should look beyond production speed. Important factors include spring specifications, wire diameter, compression level, fabric type, finished dimensions, welding stability, production consistency, and the machine's ability to support future product development. If a factory plans to manufacture both Traditional Bubble Spring and High Compression Bubble Spring, a production line with flexible product-switching capability can help reduce repeated equipment investment. LianRou Machinery has years of experience in Bubble Spring production line R&D and manufacturing. The company provides production solutions for both Traditional Bubble Spring and High Compression Bubble Spring. The LR-PSLINE-BOX230 / BOX4W Bubble Spring Production Line is designed for Traditional Bubble Spring production, while the LR-PSLINE-BOXH230 / BOXH4W Bubble Spring Production Line is designed for High Compression Bubble Spring and can also switch to Traditional Bubble Spring production. Material selection is another important consideration when developing Bubble Spring products. Manufacturers can choose nonwoven fabric for cost-sensitive applications, woven fabric when higher toughness and deformation resistance are required, or cotton fabric for products with a stronger natural-material positioning. Steel wire can also be customized according to support, resilience, flexibility, corrosion resistance, and compression requirements. A professional Bubble Spring production solution should therefore be evaluated as a complete manufacturing system rather than simply as a spring-forming machine. The production line needs to match the manufacturer's target products, material specifications, output requirements, factory layout, and future expansion plans. For mattress manufacturers, Bubble Spring can become an additional comfort-layer technology that works alongside pocket spring systems and other mattress materials. For sofa and furniture manufacturers, it provides another way to create resilient and supportive cushions. Pillow factories can also explore compact spring structures for responsive head and neck support. Choosing the right High Compression Bubble Spring Machine can help manufacturers improve production flexibility, develop differentiated products, and control the consistency of Bubble Spring quality. With the appropriate machine, fabric, wire, compression level, and spring structure, Bubble Spring can be developed into a scalable product category for mattresses and a wide range of upholstered furniture. For manufacturers evaluating a new Bubble Spring production project, the most effective approach is to define the final product first and then select the appropriate machine. Application, spring structure, wire, fabric, dimensions, compression requirements, target output, and future product plans should all be considered before equipment investment.