Enclosures and housings
Press-to-Mix Bottle with Plunger Cap Assembly
- Bounding box
- 361.4 × 30.0 × 397.8 mm
- Engine
- Precision B-rep
- Parameters
- 25
- Published
- November 2, 2026
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The prompt
Core Design: The Press-to-Release Plunger Cap This design utilizes a custom-engineered cap that isolates the creatine powder in a hermetic chamber above the liquid. It uses a prominent button on the cap that the user presses to activate the mixing process. How It Works: The Process Flow (Annotated in the Image) The illustration is split into two states: "AS SHIPPED (SEALED)" and "ACTIVATED (MIXING)." 1. AS SHIPPED (SEALED): The Powder Chamber: The creatine powder is sealed within a rigid plastic cylinder in the cap. The Critical Moisture Seal: The key is the MOISTURE-PROOF FOIL BARRIER (INDUCTION SEALED). This foil lid is induction-sealed (like a yogurt or sports drink lid) over the opening of the powder chamber. It provides a perfect, hermetic barrier that guarantees zero moisture transfer from the liquid below for a retail shelf life of 6+ months. The Plunger: The plunger is in its raised position, with its activation button visible outside the cap. 2. ACTIVATED (MIXING): Pressing the Button: The user presses the top button. This action breaks a secondary tamper-evident seal and drives the plunger downward. Puncture and Release: The bottom of the plunger features a precise PUNCTURE SPIKE. When the user presses the button, this spike punctures and ruptures the foil barrier. The plunger continues down, pushing the foil fully open. Mixing: The loose creatine powder gravity-falls into the liquid. The user then SHAKES THE BOTTLE to mix the beverage. They twist off the entire cap assembly to drink from a clean mouth opening. Manufacturing and Material Specifications I have included a technical specifications panel on the left to ensure this design is feasible for your manufacturing partner: Bottle: Standard PET plastic (common and economical for retail). Cap Assembly: Injection-molded Polypropylene (PP) plastic. Moisture Barrier: Aluminum-Laminate Foil (Induction Heat Seal). This is the single most important component for your retail shelf-life strategy. Tamper Evidence: A standard tamper-evident band on the bottle collar and a smaller break-away seal on the push button itself. This design provides the premium "push and mix" user experience you envisioned while prioritizing the stringent sealing required for a pre-filled retail product.
Parameters
| Name | Value | Range |
|---|---|---|
| Bottle total height | 180 mm | 150 – 300 |
| Neck height | 30 mm | 10 – 50 |
| Shoulder height | 10 mm | 5 – 20 |
| Body outer diameter | 65 mm | 40 – 100 |
| Neck outer diameter | 32 mm | 20 – 50 |
| Neck inner diameter | 28 mm | 15 – 45 |
| Wall thickness | 1.5 mm | 0.5 – 3 |
| Cap outer diameter | 40 mm | 30 – 60 |
| Cap height | 60 mm | 40 – 80 |
| Chamber inner diameter | 30 mm | 20 – 40 |
| Top hole diameter | 10 mm | 5 – 15 |
| Top wall thickness | 2 mm | 1 – 5 |
| Foil seat height from cap bottom | 42 mm | 10 – 50 |
| Neck clearance | 0.2 mm | 0 – 0.5 |
| Foil diameter | 30 mm | 20 – 40 |
| Foil thickness | 0.1 mm | 0.05 – 0.5 |
| Piston diameter | 29.5 mm | 25 – 35 |
| Piston thickness | 8 mm | 3 – 15 |
| Spike base diameter | 10 mm | 5 – 15 |
| Spike length | 8 mm | 5 – 15 |
| Stem diameter | 10 mm | 5 – 12 |
| Stem length | 15 mm | 5 – 25 |
| Button diameter | 20 mm | 15 – 30 |
| Button thickness | 3 mm | 1 – 5 |
| Gap above foil | 1 mm | 0.5 – 3 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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