The invention of the transparent plastic ziplock bag is attributed to American inventor and entrepreneur Robert W. Vergobbi. He patented the ziplock bag in 1951 (U.S. Patent No. 2,527,568). The bags were originally implemented with a simple clip zip design, which later evolved into the more modern self-sealing strip form.
1. 1950s
Invention and Patent: In 1951, American inventor Robert W. Vergobbi patented the ziplock bag. This early design achieved the self-sealing function through a clip zip.
Market Introduction: Ziplock bags gradually entered the market and were used for household food storage and small items.
2. 1960s
Improved Design: The design of the ziplock bag was improved, and a simpler and more durable plastic zipper was introduced.
Branding: The Ziploc brand launched its first ziplock bag in 1968, which quickly popularized this product in households.
3. 1970-1980s
Popularization and promotion: Ziplock bags have been promoted worldwide and are widely used in many fields such as food storage, travel packaging, stationery organization, etc.
Diversified development: The types and specifications of ziplock bags are constantly enriched, and ziplock bags of different sizes, thicknesses, colors and special purposes have appeared.
4. 1990-2000s
Environmental improvement: With the improvement of environmental awareness, ziplock bags began to use recyclable and environmentally friendly materials to reduce the impact on the environment.
Function expansion: Ziplock bags have been used in professional fields such as medical, electronics, and chemistry, becoming a multi-functional packaging solution.
5. 2010s to present
Technological innovation: The manufacturing technology of ziplock bags has been continuously improved, and ziplock bags with special functions such as moisture-proof, anti-static, and antibacterial have been introduced.
Brand and market segmentation: Various brands of ziplock bags have appeared on the market, each with different positioning, meeting the various needs of families, businesses, and industries.
The invention of transparent plastic ziplock bags has greatly changed all aspects of daily life such as food storage, stationery management, and travel packaging. Ziplock bags are designed to provide a convenient, easy-to-use and reusable storage solution for a wide range of domestic, commercial and industrial applications.
