Container & Closure Adaptation

Twist-off Cap

Twist-Off Metal Cap (TO-58 / TO-66 / TO-82).

Format Adaptation Details

Container & Closure Adaptation

Format Adaptation Details

Container Format / Closure Spec

Container Format

Standard metal caps (TO-58 / TO-66 / TO-82) with plastisol liner for steam vacuum sealing.

Closure Spec

Twist-off Cap

Adaptation Area

Cap sorter elevator & magnetic capping chuck jaws

Critical Dimension

Cap outer diameter range & inner liner thickness

Engineering Assessment

Engineering Adaptation & Assessment Board

Suitable Sauces

High-acid hot-fill tomato paste, vacuum-sealed particulate tomato sauce, preserves.

Impact on Filler

No direct contact, but filling volume and headspace ratio must be precise. Headspace volume directly determines the final steam condensation vacuum.

Impact on Capper

Requires custom-molded capping chucks and preheating steam pipes. The cap thread pitch must engage the glass jar neck perfectly.

Impact on Labeler

Requires anti-rotation top belts. If the cap has a safety-button indicator, orientation sensors must check the vacuum button flatness.

Required Samples

200 pcs of metal twist-off caps (e.g. TO-58, TO-66, TO-82) with liners, and 50 matching glass jars for capping torque trials.

Packaging Line Risks

Seal degradation from heat

Cold plastisol fails to conform to glass rims. FPM implements steam pre-heating rails to soften seals.

Thread deformation under torque

Excessive capping torque bends metal claws causing vacuum loss. FPM calibrates hysteresis clutches.

Incorrect sorting

Incorrectly oriented caps block mechanical tracks. FPM uses magnetic/waterfall sensor sorters.

Engineering Response

Adaptation Route

Soft Liner Pre-heating

Softening the cap PVC plastisol to form a custom hermetic rim seal.

Magnetic Chuck Setup

Fabricating exact metallic matching inserts for the selected cap code.

Steam Flushing Trial

Spraying saturated steam into glass container neck prior to seal release.

Tapping Deflect Test

Integrating a high-speed acoustic button check sensor to reject failures.

Packaging Verification Gallery

Steam-injection vacuum capper for Twist-Off TO-66 and TO-82 metal caps

Stainless steel accumulation rotary table buffering finished glass jars

Submit Your Container and Cap Specifications

Send your container drawings, capping samples, and target output. FPM engineers will review your trial requests and design custom adaptation paths.

Submit Packaging Specifications