Plastic ampul

Details Plastic ampul Plastic ampul

1990-10-31

1993-05-25

Robinson, Ellis P.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 369, 428 357, 604415, 222541, 215 32, 215253, 215256, 215DIG3, B65D 109

Patent

active

052138607

ABSTRACT:
An ampul for containing a physiologically acceptable liquid comprises a tubular body made of a non-toxic, chemically inert thermoplastic material having an elongation at break ranging from about 100% to about 200%, a tensile strength at break less than about 15,000 psi and a flexural modulus less than about 400,000 psi. The tubular body has at least one end portion of reduced cross-sectional dimension formed with a peripheral line of weakness enabling the end portion to be manually fractured. The ampul according to the invention is impact-resistant and forms a clean cut when the end portion is fractured to dispense its content, thereby eliminating dangerous shards.

REFERENCES:
patent: 1718595 (1929-06-01), Smith
patent: 3589884 (1971-06-01), Guiriec
patent: 4337025 (1982-06-01), Pagels et al.
patent: 4512475 (1985-04-01), Federighi
patent: 4872872 (1989-10-01), Polak
patent: 4964521 (1990-10-01), Wieland
patent: 4979630 (1990-12-01), Rose
patent: 5024865 (1991-06-01), Insley
patent: 5076452 (1991-12-01), Hashimoto

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